incline.naive_trend

incline.naive_trend(df, column_value='value', time_column=None, **kwargs)

Estimate the trend by central finite differences.

Does no smoothing, so it inherits the noise directly. Present mostly as the baseline the smoothing methods are meant to beat.

Parameters:

• df (pd.DataFrame) – Time series data.

• column_value (str) – Column holding the values.

• time_column (str | None) – Numeric time column.

• **kwargs (Any) – Uncertainty options; see estimate().

Returns:

The input frame plus the estimate columns.

Return type:

pd.DataFrame