Differences - Nixtla

num_diffs(x, max_d=1)

Find the optimal number of differences Parameters:

Name	Type	Description	Default
`x`	`ndarray`	Array with the time series.	required
`max_d`	`int`	Maximum number of differences to consider. Defaults to 1.	`1`

Returns:

Name	Type	Description
`int`	`int`	Optimal number of differences.

num_diffs(x, max_d=1)

Find the optimal number of differences Parameters:

Name	Type	Description	Default
`x`	`ndarray`	Array with the time series.	required
`max_d`	`int`	Maximum number of differences to consider. Defaults to 1.	`1`

Returns:

Name	Type	Description
`int`	`int`	Optimal number of differences.

diff(x, d)

Subtract previous values of the series Parameters:

Name	Type	Description	Default
`x`	`ndarray`	Array with the time series.	required
`d`	`int`	Lag to subtract	required

Returns:

Type	Description
`ndarray`	np.ndarray: Differenced time series.

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