Update CodeBook.md

Name of the Column	Column #	Type	Values
Activity	1	Character	WALKING, WALKING_UPSTAIRS, WALKING_DOWNSTAIRS, SITTING, STANDING, LAYING
Subject	2	Integer	10 12 13 18 20 24 22 23 25 26 ...
avg( tBodyAcc_mean___X )	3	Numeric	[-0.99 to 0.99] 
avg( tBodyAcc_mean___Y )	4	Numeric	[-0.99 to 0.99] 
avg( tBodyAcc_mean___Z )	5	Numeric	[-0.99 to 0.99] 
avg( tBodyAcc_std___X )	6	Numeric	[-0.99 to 0.99] 
avg( tBodyAcc_std___Y )	7	Numeric	[-0.99 to 0.99] 
avg( tBodyAcc_std___Z )	8	Numeric	[-0.99 to 0.99] 
avg( tGravityAcc_mean___X )	9	Numeric	[-0.99 to 0.99] 
avg( tGravityAcc_mean___Y )	10	Numeric	[-0.99 to 0.99] 
avg( tGravityAcc_mean___Z )	11	Numeric	[-0.99 to 0.99] 
avg( tGravityAcc_std___X )	12	Numeric	[-0.99 to 0.99] 
avg( tGravityAcc_std___Y )	13	Numeric	[-0.99 to 0.99] 
avg( tGravityAcc_std___Z )	14	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerk_mean___X )	15	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerk_mean___Y )	16	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerk_mean___Z )	17	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerk_std___X )	18	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerk_std___Y )	19	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerk_std___Z )	20	Numeric	[-0.99 to 0.99] 
avg( tBodyGyro_mean___X )	21	Numeric	[-0.99 to 0.99] 
avg( tBodyGyro_mean___Y )	22	Numeric	[-0.99 to 0.99] 
avg( tBodyGyro_mean___Z )	23	Numeric	[-0.99 to 0.99] 
avg( tBodyGyro_std___X )	24	Numeric	[-0.99 to 0.99] 
avg( tBodyGyro_std___Y )	25	Numeric	[-0.99 to 0.99] 
avg( tBodyGyro_std___Z )	26	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerk_mean___X )	27	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerk_mean___Y )	28	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerk_mean___Z )	29	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerk_std___X )	30	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerk_std___Y )	31	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerk_std___Z )	32	Numeric	[-0.99 to 0.99] 
avg( tBodyAccMag_mean__ )	33	Numeric	[-0.99 to 0.99] 
avg( tBodyAccMag_std__ )	34	Numeric	[-0.99 to 0.99] 
avg( tGravityAccMag_mean__ )	35	Numeric	[-0.99 to 0.99] 
avg( tGravityAccMag_std__ )	36	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerkMag_mean__ )	37	Numeric	[-0.99 to 0.99] 
avg( tBodyAccJerkMag_std__ )	38	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroMag_mean__ )	39	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroMag_std__ )	40	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerkMag_mean__ )	41	Numeric	[-0.99 to 0.99] 
avg( tBodyGyroJerkMag_std__ )	42	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_mean___X )	43	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_mean___Y )	44	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_mean___Z )	45	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_std___X )	46	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_std___Y )	47	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_std___Z )	48	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_meanFreq___X )	49	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_meanFreq___Y )	50	Numeric	[-0.99 to 0.99] 
avg( fBodyAcc_meanFreq___Z )	51	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_mean___X )	52	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_mean___Y )	53	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_mean___Z )	54	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_std___X )	55	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_std___Y )	56	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_std___Z )	57	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_meanFreq___X )	58	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_meanFreq___Y )	59	Numeric	[-0.99 to 0.99] 
avg( fBodyAccJerk_meanFreq___Z )	60	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_mean___X )	61	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_mean___Y )	62	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_mean___Z )	63	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_std___X )	64	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_std___Y )	65	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_std___Z )	66	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_meanFreq___X )	67	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_meanFreq___Y )	68	Numeric	[-0.99 to 0.99] 
avg( fBodyGyro_meanFreq___Z )	69	Numeric	[-0.99 to 0.99] 
avg( fBodyAccMag_mean__ )	70	Numeric	[-0.99 to 0.99] 
avg( fBodyAccMag_std__ )	71	Numeric	[-0.99 to 0.99] 
avg( fBodyAccMag_meanFreq__ )	72	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyAccJerkMag_mean__ )	73	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyAccJerkMag_std__ )	74	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyAccJerkMag_meanFreq__ )	75	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyGyroMag_mean__ )	76	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyGyroMag_std__ )	77	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyGyroMag_meanFreq__ )	78	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyGyroJerkMag_mean__ )	79	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyGyroJerkMag_std__ )	80	Numeric	[-0.99 to 0.99] 
avg( fBodyBodyGyroJerkMag_meanFreq__ )	81	Numeric	[-0.99 to 0.99] 
avg( angle_tBodyAccMean_gravity_ )	82	Numeric	[-0.99 to 0.99] 
avg( angle_tBodyAccJerkMean__gravityMean_ )	83	Numeric	[-0.99 to 0.99] 
avg( angle_tBodyGyroMean_gravityMean_ )	84	Numeric	[-0.99 to 0.99] 
avg( angle_tBodyGyroJerkMean_gravityMean_ )	85	Numeric	[-0.99 to 0.99] 
avg( angle_X_gravityMean_ )	86	Numeric	[-0.99 to 0.99] 
avg( angle_Y_gravityMean_ )	87	Numeric	[-0.99 to 0.99] 
avg( angle_Z_gravityMean_ )	88	Numeric	[-0.99 to 0.99]