The set of variables that were estimated from these signals are:
- mean(): Mean value
- std(): Standard deviation
- WALKING (value 1): subject was walking during the test
- WALKING_UPSTAIRS (value 2): subject was walking up a staircase during the test
- WALKING_DOWNSTAIRS (value 3): subject was walking down a staircase during the test
- SITTING (value 4): subject was sitting during the test
- STANDING (value 5): subject was standing during the test
- LAYING (value 6): subject was laying down during the test
The following dataset (tidy.csv) conteins following variables:
[1] "subject" "activity" "tBodyAcc-mean-X"
[4] "tBodyAcc-mean-Y" "tBodyAcc-mean-Z" "tBodyAcc-std-X"
[7] "tBodyAcc-std-Y" "tBodyAcc-std-Z" "tGravityAcc-mean-X"
[10] "tGravityAcc-mean-Y" "tGravityAcc-mean-Z" "tGravityAcc-std-X"
[13] "tGravityAcc-std-Y" "tGravityAcc-std-Z" "tBodyAccJerk-mean-X"
[16] "tBodyAccJerk-mean-Y" "tBodyAccJerk-mean-Z" "tBodyAccJerk-std-X"
[19] "tBodyAccJerk-std-Y" "tBodyAccJerk-std-Z" "tBodyGyro-mean-X"
[22] "tBodyGyro-mean-Y" "tBodyGyro-mean-Z" "tBodyGyro-std-X"
[25] "tBodyGyro-std-Y" "tBodyGyro-std-Z" "tBodyGyroJerk-mean-X"
[28] "tBodyGyroJerk-mean-Y" "tBodyGyroJerk-mean-Z" "tBodyGyroJerk-std-X"
[31] "tBodyGyroJerk-std-Y" "tBodyGyroJerk-std-Z" "tBodyAccMag-mean"
[34] "tBodyAccMag-std" "tGravityAccMag-mean" "tGravityAccMag-std"
[37] "tBodyAccJerkMag-mean" "tBodyAccJerkMag-std" "tBodyGyroMag-mean"
[40] "tBodyGyroMag-std" "tBodyGyroJerkMag-mean" "tBodyGyroJerkMag-std"
[43] "fBodyAcc-mean-X" "fBodyAcc-mean-Y" "fBodyAcc-mean-Z"
[46] "fBodyAcc-std-X" "fBodyAcc-std-Y" "fBodyAcc-std-Z"
[49] "fBodyAccJerk-mean-X" "fBodyAccJerk-mean-Y" "fBodyAccJerk-mean-Z"
[52] "fBodyAccJerk-std-X" "fBodyAccJerk-std-Y" "fBodyAccJerk-std-Z"
[55] "fBodyGyro-mean-X" "fBodyGyro-mean-Y" "fBodyGyro-mean-Z"
[58] "fBodyGyro-std-X" "fBodyGyro-std-Y" "fBodyGyro-std-Z"
[61] "fBodyAccMag-mean" "fBodyAccMag-std" "fBodyBodyAccJerkMag-mean"
[64] "fBodyBodyAccJerkMag-std" "fBodyBodyGyroMag-mean" "fBodyBodyGyroMag-std"
[67] "fBodyBodyGyroJerkMag-mean" "fBodyBodyGyroJerkMag-std"