Python data science interview questions and answersεργασίες

You need to solve a series of simple logical tests. For instance, do you know the difference between AND, OR, NOT Boolean logic? We will have a video interview to test your logical thinking ability. When you bid, write your answer to the following basic logic question. If your bid does not include the simple answer, your bid will not be considered What is the difference between NOT(year==2023 AND quarter==1) and NOT(year==2023) AND NOT(quarter==1) ?

I'm in search of a skilled Python programmer to create a Python script that's focused on data manipulation, automation, and user interaction. Key Requirements: - The script should primarily function outside of a website, as a standalone application. - It should be capable of manipulating data, performing automated tasks, and engaging with users in a user-friendly way. Ideal Skills and Experience: - Strong proficiency in Python is a must. - Previous experience in creating standalone applications that involve data manipulation, automation, and user interaction.

I'm in need of...Man-in-the-Middle (MITM) and a Reverse Proxy tool. The primary goal of this script is to assist me in intercepting network traffic and bypassing certain network restrictions. Key Project Requirements: - The script should be compatible with Windows, MacOS, and Linux. - It should effectively intercept network traffic and support the following network protocols: HTTP, HTTPS, and TCP. - The script should also have the capability to act as a Reverse Proxy tool when needed. Ideal Skills and Experience: - Proficiency in programming languages like Python, C++, or Java. - Experience in developing network security tools or reverse proxy systems. - Knowledge of network protocols and their interactions. Please, only bid ...

...Beard and Moustache Competition in Australia and need a creative design for this years certificate that gets printed on quality scroll paper and goes to every person that enters. I have attached an example of previous years certificate. Here are some points to consider when designing: - Must include a silhouette of a good beard - Style and background needs to look like it's printed on an olden days heritage paper - The fonts/text needs to be similar style to our previous years and must be clear and easy to read, can change the text slightly if needed. - Can be either landscape or portrait layout The certificate must include the following details from the attached PDF: - Include IN RECOGNITION OF YOUR COMMITMENT TO EXCELLENT FACIAL HAIR...

...Lightning Web Components, and Administration Strong understanding of CRM processes and functionality Experience with customization and enhancements Knowledge of Salesforce CPQ and CPQ configuration Experience with Salesforce integration and data migration Strong analytical and problem-solving skills Excellent written and verbal communication skills certifications are a plus Bachelor's degree in Computer Science, Information Technology, or related field Are you enthusiastic to accept new challenges and delivering a high performance , scalable solutions in Salesforce CPQ and meet below requirements ? ? Should be able to think efficiently and design / build a scalable solution for the requireme...

...project that combines a Python Flask backend and React in Electron. The project runs perfectly when I execute it within Visual Studio, but once I package it with Electron Builder, the resulting exe file fails to work. I have already checked the dependencies and configurations, so the issue is likely related to pathing problems or misconfigurations within the Electron Builder process. I'm seeking a skilled freelancer who can assist me in identifying and resolving the cause of this problem. Key Points: - The project is based on Python Flask back-end and React front-end - Electron Builder is used for packaging the Electron app - The problem likely lies within the packaging process and not the code itself Ideal Freelancer Skills:...

I'm looking for someone proficient in Python to convert a PDF file into a JSON format. 4 PDF and 2 excel. Ideal skills and expertise to complete this project include: - Proficiency in Python programming - Experience with PDF parsing - Knowledge of JSON formatting and structuring The project involves extracting and transforming data from a PDF file into a structured JSON format. If you're confident in your Python abilities and have experience working with PDFs and JSON, I'd love to hear from you.

...extracting data from PDF files and converting it into JSON format. The PDFs, such as the example provided here, vary in format and column structure based on their categories. The solution should not require downloading the PDFs manually. Sample URLs Requirements: - Develop a tool or API endpoint for extracting data from PDF files located at given extracted PDF table data into JSON format. - Handle various PDF formats with different column structures. - Preferred tech stack: PHP (Laravel), Node.js, or Python. - Ensure

...experienced engineer with a deep understanding of material science, performance dynamics and wheel rim design. The goal of this project is to conduct a topology optimization of an aluminum wheel alloy rim with a key focus on enhancing its performance metrics. This involves: - Designing for improved handling and grip - Reducing the weight of the wheel alloy rim - Enhancing the braking performance of the wheel The use of state-of-the-art simulation and optimization software such as ANSYS or HyperWorks would be beneficial. The project demands a thorough understanding of vehicle dynamics and wheel design, as well as a strong ability to consider and integrate different performance-enhancing factors. If you possess these rare skills and are...

I'm looking for a skilled freelancer who can assist with a Questions-solving task. Unfortunately, I didn't provide details on what specifically needs solving, so I need someone who is a good problem-solver themselves and can help identify and address issues. Please note that you should have a good understanding of the general public, businesses, and students as this might be a project that requires a broad perspective.

I'm looking for a skilled developer to create a bot for automated trading on the Coinbase platform. Key Requirements: - Fluency in Python and JavaScript: These are the essential languages for this project. - Experience with trading platforms is a plus, but not a must. - Understanding of automated trading: The bot should be able to perform automated trading on Coinbase. - Knowledge of Portfolio Management: The bot will also need to effectively manage a portfolio. - Familiarity with the candle shadow method: This is a specific trading strategy and your proficiency in it will be highly valued. Feel free to include any relevant previous work in your bid, and let me know how you plan to approach this project.

...passion for science fiction, specifically in the realm of space exploration and colonization. The project revolves around future space travel, focusing on life on space colonies and interstellar exploration. Key Elements: - The ideal candidate will have a flair for imaginative storytelling, able to craft engaging narratives that blend scientific accuracy with captivating fiction. - The final piece should consist of a short story between 1,000 - 5,000 words, that encapsulates the challenges and wonders of life on space colonies and the possibilities of interstellar travel. - Experience in space-themed creative writing is a major plus, as is a portfolio that showcases similar work. This project is a great opportunity for a writer fascinated by the po...

...project focused on translating content from Spanish to English. The role requires preserving the original meaning, format, and tone. The project is essential for understanding consumer insights and evaluating market strategies to launch products in a greenfield market in Spain. Key Responsibilities: Primary Research: Live/consecutive translation of one-on-one interviews conducted with 15 selected Spanish consumers. Each interview session will last approximately 75-90 minutes. Topics include Consumer Affinity, Brand Perception, Market Fit, and identifying opportunities. Secondary Research: Analyze social content from competitors and influencers. Evaluate messaging strategies and translate relevant content into English. Qualifications: At lea...

I am in need of a Python developer with a focus on automation scripting. The primary task involves the creation of an algorithmic trading script with a specific functionality, particularly: - Automated Trading Execution: The script should be capable of executing trades automatically, given the parameters I set. Ideal candidates possess extensive experience in Python development, preferably in the field of financial algorithmic trading. Informative knowledge of trading principles and hands-on experience in script development are highly desirable. I'm looking forward to hearing from passionate individuals who are eager to take on this exciting challenge.

...algorithmic trading and extensive experience with the NinjaTrader platform software. This is a fully remote position with a flexible schedule, but the candidate must be available until 3 pm New York time. ????????????????: ✅Develop fully automated strategies, indicators, and innovative software solutions using the NinjaTrader platform ✅Oversee the implementation and migration to GitLab ✅Develop and maintain back-testable signal indicators and server-based setups ✅Lead software migration projects to other platforms like TradingView and TradeStation ✅Perform quality assurance on all products, including webapps (internal/external), indicators, and strategies ✅Test software reported as non-functional by clients or support, and documen...

I'm looking for someone who knows Android I have some questions to which I cannot find answers

...innovation and technology. Our team comprises passionate professionals who are committed to improving patient outcomes and streamlining healthcare processes. As we expand, we are seeking a talented Microsoft Power BI Specialist to join us in transforming our data into actionable insights. Job Description: Are you a skilled Microsoft Power BI Specialist with a passion for healthcare? Do you thrive on turning complex data into clear, actionable reports? If so, we want to hear from you! As our Power BI Specialist, you will play a pivotal role in our healthcare practice by compiling crucial reports that will inform our clinical decisions, enhance patient care, and optimize operational efficiency. You will work closely with our medical staff, administrato...

...experience in iOS app development - Familiarity with creating apps requiring user authentication and account setup - An understanding of backend programming for data storage - Experience with healthcare field is a plus The main function of the app will be to conduct medical surveys. Users will need to create an account, log in and answer health-related questions. This sensitive data needs to be stored securely. The app should have an intuitive, user-friendly interface that can easily be navigated by individuals with various tech skill levels. This is something that would be an ADDITION to apps like MyChart and it conducts an AI based survey to give a patient a rough diagnoses, based on multiple choice questions. Skilled in Swift or Obj...

Hi Everyone Since you are on DevOps, Freelance at MFH Please find projects here and apply : Competitive rates. ----------------------------- Regards, MFH IT Solutions (GST ID: 37ABWFM7509H1ZL) ☎️ Contact Us MFH LinkedIn

...topic of Science, and thus requires a professional/academic visual style. Key requirements: - The presentation should have a professional/academic style, suitable for a high-level academic presentation. - Incorporating a mix of graphs, charts, images and diagrams is essential. These elements should be well-organized and visually appealing to enhance the comprehension of the content. - It is crucial that the slides are coherent and engaging, ensuring that the content is clearly and logically presented. An ideal candidate for this project should have: - Experience in creating academic or scientific presentations. - Proficiency in designing PowerPoint slides, with a strong eye for detail and aesthetic. - Ability to effectively incorporate ...

...sports enthusiast and a data-driven individual, I am seeking an expert in Python with experience in Autogluon. The primary goal of this project is to predict specific MLB and NBA statistics in order to optimize lineups for Daily Fantasy Sports on DraftKings and FanDuel. Key Aspects to Consider: - The project revolves around predicting performance metrics for MLB and NBA players. An ideal candidate will have an understanding of the relevant statistical data in these sports. - Experience with Autogluon is crucial as it will aid in streamlining the process of creating accurate predictions based on the provided data. - The end goal is to utilize these predictions to optimize lineups for Daily Fantasy Sports. This requires a strong gra...

...of customer preferences. Our aim is to make this process efficient and hassle-free for both the users and for my team. The collected information should be sent directly to my email. This way, I can access and process the data promptly. Key Points: - Form should be designed with text fields for open answers, and dropdown menus for predefined options, and the ability to upload images and other things. - Responsive design is essential. Customers will use this feature on various devices so it should work seamlessly on all screen sizes. Ideal skills for this project: - Proficiency in web development with experience in designing user-friendly forms. - Understanding of efficient and secure data handling. - Good communica...

I require a skilled Python programmer to craft a script that would allow me to login into my account on and download all the videos stored there. The details are as follows: - The operating system this script will be running on is Windows - The script should also classify the downloaded videos into different folders on my PC, labeled according to the team name each video corresponds with. - The hired freelancer may have to study Veo's UI for this purpose. - I'd need this task completed ASAP. Ideal skills and experience: - Previous experience with Web Scraping and handling Video files - Extensive knowledge of Python with specific experience writing scripts - Understanding of Video download and organization, preferably with the Veo platf...

...where one of the routes is not functioning correctly. The route is supposed to return certain data from a database, but it's not working as expected. This issue is hindering the functionality of my application, so I need it to be fixed as soon as possible. The issue might be due to an error in the route's implementation, or possibly in how it's interacting with the database. I need a skilled Python and Flask developer with experience in troubleshooting and fixing such issues to identify the problem and implement the necessary changes to get the route working as intended. The ideal freelancer for this project should have: - Strong proficiency in Python and Flask and html - Experience in debugging and troubles...

I'm looking for a skilled professional who can solve advanced le...tackle challenges in Web Exploitation, Binary Exploitation, Cryptography, as well as other categories like web, forensics, osint, and more. Key Responsibilities: - Solve advanced level CTF challenges in multiple categories Ideal Skills and Experience: - Extensive experience with CTF challenges - Proficiency in solving challenges in Web Exploitation, Binary Exploitation, Cryptography, web, forensics, osint, etc. - Proven track record of solving advanced level CTF challenges - An understanding of security concepts Please note that the specific programming languages or platforms to be used in solving the challenges are not specified, but your background in Python, Java, C++, Ruby, or other relev...

...envisioning: - Group Messaging: The core communication method in use will be group messages. I want the developer to build a robust system where users can create, engage, and manage group chats efficiently. Experience in building similar platforms will be a significant advantage. - Media Sharing: The chat interface should be modern and dynamic, capable of handling in-message media sharing. This means users should be able to share images, videos, and other rich media content within the chat conversation seamlessly. If you've designed such interfaces before, you're the person I'm looking for! Skills such as Java, Python, or PHP are desirable. Exceptional knowledge of web sockets is a must for real-time chat functionalities. An understanding o...

I am looking for a talented graphic designer to create a unique and impactful logo for a new brand / product. While I skipped the questions on industry and brand personality, I encourage ideation and creativity. Required skills and experience: - Graphic Design - Brand Identity - Creativity and originality Some key points to consider: - The logo should be versatile enough to be used on different platforms and promotional materials. - Please provide a rationale for your design choices. I look forward to viewing your portfolios and discussing your ideas for the project.

...you will be in charge marketing for a kpop site, as well as growing a global trainee application site and picking the top talent through the platform applications. You are an ambitious self-monitoring go-getter, perhaps have previous experience monitoring communities, and are not shy about getting applications/leads for the platform/results. Be a part of building the two next big global kpop sites. The ideal candidate is already in the kpop scene/keeps up with kpop. A good knowledge of what makes a good singer / dancer is preferred. Important that you are detail-oriented and a fast learner. If interested please label your application "Kpop VA Needed - [Your Name]" and answer these questions below in numerical order: 1) Are you interested i...

VeriCO2 is seeking an experienced developer to create a global scope 1, 2, and 3 emissions database as part of our automated quantification of scope 3 emissions project. The selected developer will be responsible for setting up the database, developing a user contribution system, and implementing security measures to ensure data integrity. Responsibilities: 1. Database Setup - Set up a database to store scope 1, 2, and 3 emissions data for global listed companies. 2. User Contribution System - Develop a system for users to contribute data via LinkedIn by signing up and providing their company's scope 1, 2, and/or 3 emissions. - Implement a security check to ensure the user's email domain matches the company name ...

I'm in need of a professional who can build a tool that scrapes product data from Walmart and exports it into an Excel spreadsheet. Key Requirements: - Develop a web scraping tool specifically for Walmart website - Extract essentials (price, upc, title) Skills and Experience: - Proficiency in web scraping using Python, Scrapy, or similar tools Please let me know your availability and estimated time for completion. This is an urgent project, so a quick turnaround would be highly appreciated.

...Instagram, and YouTube. The videos should primarily focus on showcasing our product features, while also promoting brand awareness and driving sales and conversions. Ideal Skills and Experience: - Proven experience in video editing, especially for social media platforms - Ability to create clean and minimalistic designs - Understanding of marketing strategies and the ability to convey product features effectively - Prior experience working on ads for e-commerce is strongly preferred. - Familiarity with the chess industry is strongly preferred. Example video footage is below. Please note: we have hundreds of videos to choose from, I will share the whole library when you show me what you can do. I am looking for 3 video formats for all video...

Indicative scope (members of our team to provide final feedback and approval, looking to shortlist some candidates we will share our final scope with) Description: VeriCO2 is seeking a skilled developer to assist in completing the development of Phase 1 of our automated quantification of scope 3 emissions project. The selected developer will be responsible for conducting a thorough code review and integrating an emissions factor database into the existing codebase. Responsibilities: 1. Code Review and Functionality Check - Review the existing code to ensure there are no backdoors from the previous developer. - Verify that the code is functional and all equations for each method within the 15 scope 3 categories under the GHG protocol are correct. 2. Em...

I'm looking for a Telegram bot expert to help me with several tasks. Please see attached docu...quote you are not able to do the job for!! - Automating Messages: I want the bot to send automated messages on my behalf - Resending Messages: You'll need to reword messages I receive and send them to my group While the project does not require any specific design or branding, it's crucial that you have a good understanding of how Telegram bots work and the ability to implement these features flawlessly. Ideal Skills: - Previous experience in creating Telegram bots - Proficient in Python and/or Node.js - Strong communication skills to ensure the bot functions as intended. - Must have great English skills and communication is mandatory. Pl...

Hi Shane S. I hope this message finds you well. As discussed, I am pleased to inform you that I have completed the creation of the rewind bag template variations for the following six additional products. All files, including the PDF ready for print, AI. and 3D rendered images, are now prepared for submission to you. I look forward to your approval and am enthusiastic about the potential of these designs to contribute to your project's success. Please do not hesitate to reach out if you have any questions or require further adjustments. Best regards, ISHAQ AMIN

I'm in need of a skilled Python and C++ developer to create combinations of 2048 distinct objects, each with precisely 12 words. These combinations are intended for data analysis, so they need to meet specific statistical criteria. Key Requirements: - Create the combinations in Python and C++ - Ensure the combinations are statistically valid for data analysis Ideal Skillset: - Proficient in Python and C++ - Strong background in combinatorics - Experience with statistical analysis - Good understanding of data analysis techniques Once these combinations are generated, they will be utilized to conduct data analysis, so ensuring their accuracy and statistical relevance is crucial. Please only apply if you have...

I have a list of U...list of URLs stored in Mongodb. The link connects to specific web pages and I need the underlying data from: 1. Line charts 2. Bar charts All the data that is required to be captured is in the webpage code. There are specific rules on data capture that have been specified and a prior scrap project has this already setup and the code (Python) could be re used. The data scraped needs to be stored in Collections on MongoDb. The scrap program needs to run on an Amazon Light sail Linux instance. Please only apply for the role if you have experience with this work and have successfully completed such project before. An advanced knowledge of scrapping and Mongdb is essential. A detailed specification ...

Παρακαλούμε Κάνε Εγγραφή ή Κάνε Είσοδο για να δεις λεπτομέρειες.

...design is to be inspired by old wooden blocks, taking on the idea of each letter a different earth tone. I've always admired the traditional approach to design, but with a modern twist. Here's what I'm looking for: - Logo inspired by aged wooden blocks - A distinct earth tone for each letter - Integration of symbols relating to Science, Tech, History, Culture and Space within the design Ideally, you have a keen eye for color schemes and a knack for fusing traditional and contemporary design elements. Previous experience in designing logos, particularly those with a vintage touch, will be beneficial for this project. Knowledge of the Ahsing font or similar will shine brightly in your favor. This logo is more than just a visual piece; it�...

...The application should do the following: - Scrape product UPCs from gowholesale.com. You don't need to integrate a login system, as access to this information is free. - Use UPC data to perform a search on eBay to see if the item is available on the platform. - Generate a profit prediction report based on eBay's item purchase history. The ideal freelancer for this job would have great scraping skills, experience with eBay's API, and be able to develop a friendly user interface. A background in eCommerce profitability analysis would also be advantageous. Key programming languages for this job include Python and JavaScript. Previous experience with web scraping libraries (BeautifulSoup, Selenium, etc.) is vital. End goal is to create a syste...

I'm looking for a freelancer who can effectively enhance the Wikipedia page of a prominent scientist by adding relevant photos. Ideally, you will: - Have extensive experience editing Wikipedia pages and adhere strictly to its guidelines - Be able to source high-quality, appropriate images depicting key life events of this scientist - Possess good judgement in determining which photos would enrich the biography and engage readers - Ability to ensure all photos adhere to copyright laws and Wikipedia photo guidelines is essential. A keen interest or background in science history could be beneficial but is not required. Proven experience in enhancing Wikipedia pages will be highly valued.

...for a skilled developer to create an AI interview tool. The main features of this tool would include: - Questions appearing in front of candidates - A microphone icon for answering - Real-time speech-to-text conversion, using Whisper or Google TTS API. - AI to verify the answers using AI . The primary focus of this tool's development is ensuring the accuracy of the AI in verifying answers. Skills and experiences that would be ideal for this project include: - Proficiency in Python - Front end - ReactJS - Experience in creating AI-powered applications - Familiarity with speech-to-text conversion processes - Knowledge of developing user-friendly interfaces. Please reach out if you're confident in your ability to deliver a high-qual...

...Title: "Expert Statistician Needed for Advanced Probability and Statistical Analysis Project" Job Description: We are seeking a highly skilled statistician to assist with a complex statistical analysis project. The project involves a detailed examination of discrete random variables, probability density functions, exponential processes, normal distribution analysis, and sensitivity and specificity calculations. The ideal candidate will help in solving intricate problems related to electronic device lifetimes, network flow sizes, and evaluation of lie detector test effectiveness using statistical models. Responsibilities: Analyze and compute probabilities related to medium access control protocols and network flow sizes. Develop an...

I need an example of how to set up React with a Python backend executing locally inside of an Electron environment. We will be using it to parse local files from the file system and perform analysis. The method of interacting with Python should be the most simple, but is up to you. We will provide a Github repository for work upon selection. This should take 10 hours or less, it is a simple prototype.

...allowing real-time collaboration, analytics and reporting, and seamless multimedia integration. Key Functionalities: - Real-time Collaboration: The software should support multiple users creating and using presentations - Analytics and Reporting: It should be able to track user engagement and provide insightful analytics. Analitycs by user, by presentation and by Client ( that have multiple Customers ) - Multimedia Integration: It should support various multimedia formats including images, videos, audio files, and websites. The software should have the capability to handle multiple types of multimedia seamlessly. - Based on the options shown on the presentations, it should move to the next steps and do it based on that answers...

I've got a small Python script that runs on my desktop and I need it to be translated into C# for better integration with the rest of my software. I need a skilled programmer with experience in both Python and C#. Unfortunately, I have not been able to make the script run successfully on Windows, but it works on Linux (WSL). For: Python script (I will provide full script): import grpc from chirpstack_api import api server = "" api_token = "eyJ0eXAiOiJKV1QiLCJ......................87k2i66CulW7Y" channel = grpc.insecure_channel(server) client = (channel) auth_token = [("authorization", "Bearer %s" % api_token)] req = (dev_eui="00000000aabbccdd") resp = (req

--- Do not bid Template--- I'm seeking a Python engineer with expertise in Django and Flask to assist in building a web application. Key Requirements: - Expertise in Python, Django and Flask - Proven experience in web application development - Strong understanding of web technologies - More then 2 years experience in Web Development Your role will be to: - Develop new features and functionalities - Improve and scale the web application - Ensure the web application is secure, stable, and performant This is an exciting project, and 2 members working now. Explain about your experience and attach the links that have done.

You must to be at least 16 years old and live in Latin America or Eastern Europe. ✻ NO EXPERIENCE REQUIRED ✻ You do not need any experience whatsoever, but you must be clever and eager to learn. No. I am *not* being charitable. I am being practical. ✻ PAYING YOU TO LEARN ✻ No. You aren't dreaming. I value intelligence and problem-solving ability over experience. I'd prefer to work with someone who is clever and learns quickly rather than someone experienced but is not very intelligent and/or does not solve problems scientifically. Would I hire an Isaac Newton or an Albert Einstein even if he had no programming experience? Of course I would. ✻ TESTS ✻ You must pass several difficult logic tests to work with me. The first logic test you co...

I'm looking for a UI designer to create a user experience that's specifically tailored for high net worth individuals. The project involves designing for both mobile (iOS, Android) and web platforms. Key Project Points: **Enhancing User Experience:** The primary goal of this project is to make navigation and interaction as intuitive and user-friendly as possible for such HNIs. **Multi-Platform Design:** The user interface should be consistent and optimized for both mobile (iOS, Android) and web platforms. Experience in responsive design is a must. For the phase 1, below are the requirements: $$ The application caters to investors / high net worth individuals, who want to invest in startups. Below 3 screens are expected: 1. On the homep...

...expected range standing between 88% and 95%. Key Requirements: - Understand the principles of text recognition, and possess the skills in developing a feasible and efficient solution. - Must be capable of programming in Python or similar languages – necessary for integrating the algorithm with Raspberry Pi 4B. - Familiarity with image processing and Raspberry Pi is highly beneficial, though not strictly compulsory. - The algorithm should be versatile enough to function accurately in varying lighting conditions, both indoors and outdoors. Hence, a deep understanding of image manipulation and light conditions is required. By engaging in this project, you would leverage your coding skills to build an intricate system that can handle ...

I'm looking for an experienced artist who can turn my rough sketches into realistic, black and white illustrations that match the science theme of my non-fiction book. You should have a proven track record of creating realistic art and ideally have previous experience in creating illustrations for science-themed, serious books. The ability to interpret and add depth to my concepts based on my rough sketches is vital. I'm eager for your artistic input to bring my written content to life.