networkcommons.visual.plot_pca

networkcommons.visual.plot_pca(dataframe, metadata, feature_col='idx', **kwargs)

Plots the PCA (Principal Component Analysis) of a dataframe.

Parameters:

• dataframe (pd.DataFrame) – The input dataframe containing numeric columns.

• metadata (pd.DataFrame or array-like) – The metadata associated with the dataframe or an array-like object representing the groups.

Returns:

The dataframe with PCA results.

Return type:

pd.DataFrame

Raises:

ValueError – If the dataframe contains no numeric columns suitable for PCA.