pub fn calculate_rsi(
df: &DataFrame,
window: usize,
column: &str,
) -> PolarsResult<Series>
Expand description
Calculates Relative Strength Index (RSI) Formula: RSI = 100 - (100 / (1 + RS)) where RS = Average Gain / Average Loss
§Arguments
df
- DataFrame containing the price datawindow
- Window size for RSI (typically 14)column
- Column name to use for calculations (default “close”)
§Returns
Returns a PolarsResult containing the RSI Series