R语言KNN有报告Wisconsin Breast Cancer Diagnostic dataset is being used from the UCI Machine Learning Repository for running KNNalgorithm.The csv file is imported in RStudio and data preparation is done using R.The str wbcd command shows that the diagnosis column represents factor with2levels B and M.This is the variable which is to be predicted by learning the measurement values.The other data is represented as numerical features for cancer mass.Since the feature id does not provid