parent_command:economy/qa
usage: acf [-l LAGS]

Auto-Correlation and Partial Auto-Correlation Functions for diff and diff diff stock data

optional arguments:
  -l LAGS, --lags LAGS  maximum lags to display in plots (default: 15)


Examples:
- Plot auto-correlation and partial auto-correlation functions for diff and diff diff stock data with default lags: economy/qa/acf
- Plot auto-correlation and partial auto-correlation functions for diff and diff diff stock data with 10 lags: economy/qa/acf -l 10
- Display the auto-correlation and partial auto-correlation functions for diff and diff diff stock data with 20 lags: economy/qa/acf --lags 20