| General | |
|---|---|
| import pandas as pd | Import library |
| IO | |
|---|---|
| pd.read_csv('file.csv') | Read CSV |
| df.to_csv('file.csv') | Write CSV |
| Inspect | |
|---|---|
| df.head() | Show first rows |
| df.info() | DataFrame info |
| df.describe() | Summary stats |
| Select | |
|---|---|
| df['col'] | Select column |
| df[['col1','col2']] | Select columns |
| df[df['col']>0] | Filter rows |