lines = 'SA 35 1225
LG 37 1369
SH 33 1089
KN 34 1156
DE 38 1444
SH 40 1600
ML 35 1225
JG 36 1296
KH 38 1444
HS 33 1089
LL 28 784
CE 34 1156
KK 47 2209
CW 42 1764
DP 46 2116'
con = textConnection( lines )
DF = read.table( con, header=FALSE )
close(con)
colnames(DF) = c( 'subject', 'y', 'y2' )