Attribution case : https://www.analyticsvidhya.com/blog/2018/01/channel-attribution-modeling-using-markov-chains-in-r/

Hi All,

Trying to run attribution modeling code :

There is issue with this step.

• channel_fin = ddply(channel_fin,~path,summarise, conversion= sum(convert))

Problem with summarise() input conversion.
x object ‘convert’ not found
i Input conversion is sum(convert).

Please guide.

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