File list (Check if you may need any files):
logisticRegression\costFunction.m
..................\costFunctionExample.m
..................\costFunctionReg.m
..................\inputTrainingSet1.txt
..................\inputTrainingSet2.txt
..................\mapFeature.m
..................\plotData.m
..................\plotDecisionBoundary.m
..................\predict.m
..................\README.txt
..................\runExample.m
..................\runRegularizedExample.m
..................\sigmoid.m
logisticRegression