## preprocessing.expand_holiday_windows()


Create a row for each holiday date - no lower/upper windows.


Usage

``` python
preprocessing.expand_holiday_windows(data)
```


The holidays dataframe is formatted for Prophet with lower_window (0 or below) and upper_window (0 or above) indicating days around a date that are also holidays. This function creates a row for each date in those windows.


## Parameters


`data: pd.DataFrame`  
Holidays data.


## Returns


`pd.DataFrame`  
Restructured holidays data.