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Black friday solution

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@tillutony wrote:

Hi Experts,

I was going through the black Friday solution and found these qureries

Why are we removing these categories 19 and 20 in black Friday solution?

X_train <- subset(train, !Product_Category_1 %in% c(19,20))
X_test <- test HI Experts,

converting age variable to numeric

On what base are we converting these vaiables

Please help me in understanding the above.

Regards,
Tony

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