vd
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
vd [2021/06/11 13:14] – [Set Column Types, Widths, Names, Importance] dblume | vd [2021/08/09 22:58] – [Case Study: Exported CSV from PG&E] dblume | ||
---|---|---|---|
Line 3: | Line 3: | ||
**[[https:// | **[[https:// | ||
- | ====== Tips ====== | + | ====== Source Table Recommendations |
- | + | ||
- | ===== Source Table Recommendations ===== | + | |
Gather data with more granularity than you think you need. You often need three tables: | Gather data with more granularity than you think you need. You often need three tables: | ||
Line 13: | Line 11: | ||
- **Mappings from product ID to product name**: (Maybe from platform ID or from product ID.) | - **Mappings from product ID to product name**: (Maybe from platform ID or from product ID.) | ||
- | ===== Open VisiData and Set Data Types ===== | + | ====== Open VisiData and Set Data Types ====== |
$ vd logs.csv active_devices.csv id_name.csv | $ vd logs.csv active_devices.csv id_name.csv | ||
- | ==== Set Column Types, Widths, Names, Importance ==== | + | ===== Set Column Types, Widths, Names, Importance |
^ Key ^ Meaning ^ | ^ Key ^ Meaning ^ | ||
Line 36: | Line 34: | ||
| " | Open duplicate sheet with only selected rows | | | " | Open duplicate sheet with only selected rows | | ||
- | === Protip: Use column view to set multiple columns at once === | + | ==== Case Study: Exported CSV from PG&E ==== |
+ | |||
+ | Visit [[vd-pge]]. | ||
+ | |||
+ | ==== Protip: Use column view to set multiple columns at once ==== | ||
^ Key ^ Meaning ^ | ^ Key ^ Meaning ^ | ||
Line 53: | Line 55: | ||
{{: | {{: | ||
- | ===== Join Sheets ===== | + | ====== Join Sheets |
Use '' | Use '' | ||
Line 63: | Line 65: | ||
| & | (or g&) Join sheets. Type " | | & | (or g&) Join sheets. Type " | ||
| gu | Next time you're in Sheets, " | | gu | Next time you're in Sheets, " | ||
+ | |||
+ | ==== Protip: Remove insignificant noisy rows ==== | ||
+ | |||
+ | ^ Key ^ Meaning ^ | ||
+ | | %%z|%% | Select rows matching Python expression. Type "blits > 10000" | | ||
+ | | " | Make a new sheet with selected rows | | ||
And the merge of the logs and active devices sheets would look like: | And the merge of the logs and active devices sheets would look like: | ||
Line 70: | Line 78: | ||
Do a similar thing to join the Joined Sheet with the product Name sheet. | Do a similar thing to join the Joined Sheet with the product Name sheet. | ||
- | ===== Process Data ===== | + | ====== Process Data ====== |
In your final Joined sheet, add rows that are calculations of other rows. | In your final Joined sheet, add rows that are calculations of other rows. |
vd.txt · Last modified: 2023/05/17 14:00 by dblume