What is the proportion of minute maid purchases

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Reference no: EM133401211

Question: The OJ data that accompanies library(ISLR) contains Orange Juice purchases where the customer either purchased Citrus Hill or Minute Maid. To access, the data load the `ISLR` package and call the OJ data as illustrated below.

library(ISLR)
data(OJ)

Use stratified sampling to split the OJ dataset into a train and test sample with 80% of the data in the train sample. Ensure that the proportion of Minute Maid (MM) noted in the "Purchase" variable is approximately equal across train and test samples. Use a seed of 617. Utilize "sample.split()" from library(caTools) for this problem. What is the proportion of Minute Maid (MM) purchases in the train dataset?

Reference no: EM133401211

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