Sean Walsh

Thanks @gufengzhou and I completely agree about the lack of variation not being ideal for regression modelling strategies. To my point about such a variable being potentially better represented by...

@swapnilpatil022 it seems like it could be reasonable to include it as a dummy variable if there is a qualitative difference between periods when the dummy = 1 compared to...

Thanks @gufengzhou. I have seen conflicting advice for when an independent variable contains mostly zeroes. Some people on Cross Validated have suggested using a dummy along with the numeric variable...

@swapnilpatil022 Yes exactly. I have seen suggestions to use only a dummy but also a dummy and numeric. I have tried using a dummy only to indicate weeks of spend...

Hi @sineadflahive - I included as a dummy variable in the end. The particular "channel" is really a tactic which runs for a few weeks a couple of times a...

Hi. What is the progress status on this? I use the forecast package but am interested in whether I should begin modifying code to fable functions. Thanks.