Write some Software

  • Κατάσταση Ολοκληρωμένη
  • Προϋπολογισμός $10 - $30 USD
  • Συνολικές Προσφορές 5

Περιγραφή Εργασίας


The goal of this project is to find most similar and most dissimilar entities given a set of attributes and their values in Java programming language. After completing the project, you will have a good understanding of calculating proximity measures for different kinds of attributes.

Project Description:

In this project, you will be writing a program using the JAVA programming language. The program must read from a file that contains that contains a table with rows and columns. You must read from a file. You cannot use a database to store the table.

You are required to implement the following steps:

Read all attributes names into an array. Interactively, ask the user and figure out the type of each attribute: nominal, binary, ordinal or numeric and save the information.

For every attribute type, find a separate dissimilarity matrix and store the store the proximity values (dissimilarity) for every pair of entities in the given table (in the file). You may use any data structure you want for this step.

Next, find the overall dissimilarity matrix from the individual matrices that you calculated in step 2.

Finally, find the least and most dissimilar values from the matrix. Now find all values that are within 10% of the least and most dissimilar values.

For the number of dissimilarity values that fall within the 10% range, find the following:

Mean dissimilarity

Standard deviation


Your program must output the following information:

Entities that are most similar.

Entities that are least similar.

Entities whose dissimilarity values lie within 10% of most similar value.

Entities whose dissimilarity values lie within 10% of least similar value.

Mean dissimilarity

Standard deviation


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