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java data matrix creation

This project was successfully completed by aztekos for $30 USD in a day.

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Completed by:
Project Budget
$30-$250 USD
Completed In
1 day
Total Bids
7
Project Description

Will provide you an input file.

Need a program that can convert the input file into an output csv matrix.

Input file looks something like this

a,1,9
a,2,8
a,3,7
b,1,6
b,4,3
c,2,2

Output file should look like this

a,9,8,7,0
b,6,0,0,0
c,0,2,0,0

The important thing is that neither the number of rows (a thru c) nor the number of columns / attributes (in this case 4) will be known before reading the file.

Code should be well formulated and easy to read - so that it can be used on additional data sets.

For the purpose of the enclosed file, the output file should be a csv file with the following headings

Movie Cosmo ID
Mood
Weight

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