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codebook.txt
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codebook.txt
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Please check the original dataset and codebooks at
https://d396qusza40orc.cloudfront.net/getdata%2Fprojectfiles%2FUCI%20HAR%20Dataset.zip
The tidy dataset generated by run_analysis.R script contains the following variables.
The data was grouped by Activity and Subject.ID so other columns are the average
of the variables by groups. That why they end on '*_GroupMean'.
"1" "Activity"
The activity label. Example: WALKING
"2" "Subject.ID"
Subject identification from 1-30
Following the names for Averages grouped by Activity and Subject.ID for the variables available on original dataset.
Please check the file 'features_info.txt' on original zip file. The features names where changed to be
easier to understand. 't' was replaced by 'Time' and 'f' by 'Frequency'. There was no change on original
units.
"3" "Time.BodyAcc.mean.X_GroupMean"
"4" "Time.BodyAcc.mean.Y_GroupMean"
"5" "Time.BodyAcc.mean.Z_GroupMean"
"6" "Time.GravityAcc.mean.X_GroupMean"
"7" "Time.GravityAcc.mean.Y_GroupMean"
"8" "Time.GravityAcc.mean.Z_GroupMean"
"9" "Time.BodyAccJerk.mean.X_GroupMean"
"10" "Time.BodyAccJerk.mean.Y_GroupMean"
"11" "Time.BodyAccJerk.mean.Z_GroupMean"
"12" "Time.BodyGyro.mean.X_GroupMean"
"13" "Time.BodyGyro.mean.Y_GroupMean"
"14" "Time.BodyGyro.mean.Z_GroupMean"
"15" "Time.BodyGyroJerk.mean.X_GroupMean"
"16" "Time.BodyGyroJerk.mean.Y_GroupMean"
"17" "Time.BodyGyroJerk.mean.Z_GroupMean"
"18" "Time.BodyAccMag.mean_GroupMean"
"19" "Time.GravityAccMag.mean_GroupMean"
"20" "Time.BodyAccJerkMag.mean_GroupMean"
"21" "Time.BodyGyroMag.mean_GroupMean"
"22" "Time.BodyGyroJerkMag.mean_GroupMean"
"23" "Frequency.BodyAcc.mean.X_GroupMean"
"24" "Frequency.BodyAcc.mean.Y_GroupMean"
"25" "Frequency.BodyAcc.mean.Z_GroupMean"
"26" "Frequency.BodyAcc.meanFreq.X_GroupMean"
"27" "Frequency.BodyAcc.meanFreq.Y_GroupMean"
"28" "Frequency.BodyAcc.meanFreq.Z_GroupMean"
"29" "Frequency.BodyAccJerk.mean.X_GroupMean"
"30" "Frequency.BodyAccJerk.mean.Y_GroupMean"
"31" "Frequency.BodyAccJerk.mean.Z_GroupMean"
"32" "Frequency.BodyAccJerk.meanFreq.X_GroupMean"
"33" "Frequency.BodyAccJerk.meanFreq.Y_GroupMean"
"34" "Frequency.BodyAccJerk.meanFreq.Z_GroupMean"
"35" "Frequency.BodyGyro.mean.X_GroupMean"
"36" "Frequency.BodyGyro.mean.Y_GroupMean"
"37" "Frequency.BodyGyro.mean.Z_GroupMean"
"38" "Frequency.BodyGyro.meanFreq.X_GroupMean"
"39" "Frequency.BodyGyro.meanFreq.Y_GroupMean"
"40" "Frequency.BodyGyro.meanFreq.Z_GroupMean"
"41" "Frequency.BodyAccMag.mean_GroupMean"
"42" "Frequency.BodyAccMag.meanFreq_GroupMean"
"43" "Frequency.BodyBodyAccJerkMag.mean_GroupMean"
"44" "Frequency.BodyBodyAccJerkMag.meanFreq_GroupMean"
"45" "Frequency.BodyBodyGyroMag.mean_GroupMean"
"46" "Frequency.BodyBodyGyroMag.meanFreq_GroupMean"
"47" "Frequency.BodyBodyGyroJerkMag.mean_GroupMean"
"48" "Frequency.BodyBodyGyroJerkMag.meanFreq_GroupMean"
"49" "angle.tBodyAccMean.gravity_GroupMean"
"50" "angle.tBodyAccJerkMean..gravityMean_GroupMean"
"51" "angle.tBodyGyroMean.gravityMean_GroupMean"
"52" "angle.tBodyGyroJerkMean.gravityMean_GroupMean"
"53" "angle.X.gravityMean_GroupMean"
"54" "angle.Y.gravityMean_GroupMean"
"55" "angle.Z.gravityMean_GroupMean"
"56" "Time.BodyAcc.std.X_GroupMean"
"57" "Time.BodyAcc.std.Y_GroupMean"
"58" "Time.BodyAcc.std.Z_GroupMean"
"59" "Time.GravityAcc.std.X_GroupMean"
"60" "Time.GravityAcc.std.Y_GroupMean"
"61" "Time.GravityAcc.std.Z_GroupMean"
"62" "Time.BodyAccJerk.std.X_GroupMean"
"63" "Time.BodyAccJerk.std.Y_GroupMean"
"64" "Time.BodyAccJerk.std.Z_GroupMean"
"65" "Time.BodyGyro.std.X_GroupMean"
"66" "Time.BodyGyro.std.Y_GroupMean"
"67" "Time.BodyGyro.std.Z_GroupMean"
"68" "Time.BodyGyroJerk.std.X_GroupMean"
"69" "Time.BodyGyroJerk.std.Y_GroupMean"
"70" "Time.BodyGyroJerk.std.Z_GroupMean"
"71" "Time.BodyAccMag.std_GroupMean"
"72" "Time.GravityAccMag.std_GroupMean"
"73" "Time.BodyAccJerkMag.std_GroupMean"
"74" "Time.BodyGyroMag.std_GroupMean"
"75" "Time.BodyGyroJerkMag.std_GroupMean"
"76" "Frequency.BodyAcc.std.X_GroupMean"
"77" "Frequency.BodyAcc.std.Y_GroupMean"
"78" "Frequency.BodyAcc.std.Z_GroupMean"
"79" "Frequency.BodyAccJerk.std.X_GroupMean"
"80" "Frequency.BodyAccJerk.std.Y_GroupMean"
"81" "Frequency.BodyAccJerk.std.Z_GroupMean"
"82" "Frequency.BodyGyro.std.X_GroupMean"
"83" "Frequency.BodyGyro.std.Y_GroupMean"
"84" "Frequency.BodyGyro.std.Z_GroupMean"
"85" "Frequency.BodyAccMag.std_GroupMean"
"86" "Frequency.BodyBodyAccJerkMag.std_GroupMean"
"87" "Frequency.BodyBodyGyroMag.std_GroupMean"
"88" "Frequency.BodyBodyGyroJerkMag.std_GroupMean"