Hello, To Bucky: The raw data is like this: EGRN. abbr. visid. n 10. PBO. 20. 1 25 PBO. 20. 1 16 PBO. 20. 1 ... 18. TRT1. 20. 2 14. TRT1. 20. 2 23 TRT1. 20. 2 ... 16 TRT2. 20. 3 ... 29 PBO . 30. 4 ... 17 TRT1 . 30. 5 ... And the dataset out1 is something like this: n _type_ _var_ _value_ abbr. visid 1 N EGRN 201 PBO 20 1 MEAN EGRN 21.2 PBO 20 1 MAX EGRN 24 PBO 20 ... 2 N EGRN 211 TRT1 20 2 MEAN EGRN 23.2 TRT1 20 2 MAX EGRN 25 TRT1 20 ... 3 N EGRN 281 TRT2 20 3 MEAN EGRN 21.2 TRT2 20 3 MAX EGRN 29 TRT2 20 ... 4 N EGRN 219 PBO 30 4 MEAN EGRN 22.2 PBO 30 4 MAX EGRN 27 PBO 30 ... n is simply a dummy variable, and dataset out1 is the summary datasets of the raw data using PROC BOXPLOT, and I think the data fit the description. To data _null_ : I'll try to sort the BLOCK variable tomorrow, and let you know if it works or not. Thank you!
... View more