Coursera-Getting-and-Cleaning-Data-master.zip （46个子文件） 
Coursera-Getting-and-Cleaning-Data-master data 
cameras.xlsx 10KB
microdata3.csv 10.93MB microdata.csv 4.05MB cameras.csv 9KB gdp.csv 9KB restaurants.csv 109KB solutions.csv 11KB education.csv 58KB nga.xlsx 16KB jeff.jpeg 23KB reviews.csv 8KB peer_assessment 
merged_data.txt 7.95MB data README.txt 4KB train subject_train.txt 20KB X_train.txt 62.95MB Inertial Signals total_acc_x_train.txt 14.37MB body_acc_x_train.txt 14.37MB body_acc_y_train.txt 14.37MB total_acc_z_train.txt 14.37MB body_gyro_y_train.txt 14.37MB body_gyro_x_train.txt 14.37MB total_acc_y_train.txt 14.37MB body_acc_z_train.txt 14.37MB body_gyro_z_train.txt 14.37MB y_train.txt 14KB test y_test.txt 6KB subject_test.txt 8KB X_test.txt 25.23MB Inertial Signals total_acc_y_test.txt 5.76MB body_acc_x_test.txt 5.76MB body_gyro_y_test.txt 5.76MB total_acc_z_test.txt 5.76MB body_acc_y_test.txt 5.76MB body_gyro_z_test.txt 5.76MB body_gyro_x_test.txt 5.76MB body_acc_z_test.txt 5.76MB total_acc_x_test.txt 5.76MB features_info.txt 3KB features.txt 15KB activity_labels.txt 80B CodeBook.md 3KB run_analysis.R 3KB data_with_means.txt 220KB README.md 1KB .gitignore 32B README.md 250B资源评论
