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Write CSV processing script in Java

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项目预算
$30 - $60 USD
完成于
1 天
全部竞标
11
项目描述

I have an existing R script that's about 30 lines of code that I want rewritten into a simple Java app.

It reads an unknown csv file, detects the fields and outputs a text summary including: Common Value Counts (with Other and NA/Blank) and Min-Max Summary (uses string length for text fields). Summary data should be saved to a database.

My existing Java app schedules file downloads. I want to add a new tab to an existing Java app to track results in a grid. I also want a new checkbox so user can control whether to run the file summary or not.

Data Output Sample:

ObservationID,ColumnID,FieldName,Package,Measure,Value

1,21,Address,1,800 BOYLSTON ST,3257

2,21,Address,1,200 FANEUIL HALL MARKET PL,2584

3,21,Address,1,1 CITYWIDE ST,2080

4,21,Address,1,100-199 FANEUIL HALL MARKET PL,2030

5,21,Address,1,300 FANEUIL HALL MARKET PL,1850

6,21,Address,1,417 WASHINGTON ST,1828

7,21,Address,1,1 FANEUIL HALL MKT PL PL,1427

8,21,Address,1,2360 WASHINGTON ST,1348

9,21,Address,1,200 LOGAN AIRPORT TRMNL B,1321

10,21,Address,1,(OTHER),336111

11,21,Address,1,NA'S,125

12,21,Address,3,Min.,[url removed, login to view]

13,21,Address,3,1st Qu.,[url removed, login to view]

14,21,Address,3,Median,[url removed, login to view]

15,21,Address,3,Mean,[url removed, login to view]

16,21,Address,3,3rd Qu.,[url removed, login to view]

17,21,Address,3,Max.,[url removed, login to view]

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