LineDatafier

Contains data preparation modules, which includes interpolation. data should be in this format where time is set to index.

Example:

time  col1 col2 col3 ...
2012   1    0    2
2013   2    3    1

Parameters:

Name	Type	Description	Default
`data`	`DataFrame`	The data to be prepared, should be in this format where time is set to index	required
`time_format`	`str`	Index datetime format	required
`ip_freq`	`str`	Interpolation frequency	required