Write R code to upload the quantmod package and use the Google stock price starting from September 2021 until the latest you can got. a. Produce time plot of the Google stock price. b. Produce forecast using exponential smoothing function. c. Peport the accuracy of the forecast model. The following contusion matrix summarizes the predictions made by the model: Actui Compute Misclassification Rate, Gini Index and Information Gain for the above-mentioned model. Consider spam dataset with outcome variable type-SpamNot spam. Write R code for using functions present in the Caret package 1. Create a data partition with 75% for training and 25% for testing data. ii. Split data into k number of folds based on the outcome, returning data as list and should also retum training set