Protomix.negative_values_zeroing

negative_values_zeroing(spectra_df: DataFrame) → DataFrame

Set all negative values in the spectra to zero.

This function processes a DataFrame of spectra, setting any negative values to zero while retaining the original structure and indexes of the DataFrame.

Parameters:

spectra_df (pd.DataFrame) – A DataFrame where each row represents a spectrum, and columns correspond to spectral data points.

Returns:

A DataFrame with the same structure as the input, but with all negative values replaced by zero.

Return type:

pd.DataFrame