This assignment will exercise your ability to develop a k-NN model to solve an estimation problem.
Read the Takyo Software Cataloger case in the Shmueli textbook (pg. 482) and use the corresponding spreadsheet Takyo.xls located inModule 0: Spreadsheet Assignment Data(Link will open in new tab.).
Using the Purchase=1 sheet as your dataset, develop a k-NN model for predicting spending among purchasers. Recommend a value of k as part of your analysis.
Partition the data into three sets using the default seed and proportions. Three sets are needed since k-NN uses the validation set to select k, so needs the test set as clean data for the final performance evaluation.
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