Un-crosstab data in a text file.
Project description
un-xtab.py is a Python module and command-line program that rearranges data from a crosstabulated format to a normalized format. It takes data in this form:
Station |
2006-05-23 |
2006-06-15 |
2006-07-19 |
WQ-01 |
4.5 |
3.7 |
6.8 |
WQ-02 |
9.7 |
5.1 |
7.2 |
WQ-03 |
10 |
6.1 |
8.8 |
and rearranges it into this form:
Station |
Date |
Value |
WQ-01 |
2006-05-23 |
4.5 |
WQ-02 |
2006-05-23 |
3.7 |
WQ-03 |
2006-05-23 |
6.8 |
WQ-01 |
2006-06-15 |
9.7 |
WQ-02 |
2006-05-15 |
5.1 |
WQ-03 |
2006-06-15 |
7.2 |
WQ-01 |
2006-07-19 |
10 |
WQ-02 |
2006-07-19 |
6.1 |
WQ-03 |
2006-07-19 |
8.8 |
Input and output are both text (CSV) files.
You can use the un-xtab program to rearrange data that have been provided in a format designed for readability into a format that is more suitable for storage in a database, or for use with statistical, modeling, graphics, or other software.
The un-xtab program can deal with crosstabbed formats that include multiple rows of column headers and groups of data values that were crosstabbed together.
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