dset /cpc/home/wd52pp/data/attr/diag.temp.regr_vs_nino34.jja.gr
undef -9999.0
ydef 360 linear -89.75 0.5
xdef 720 linear 0.25 0.5
tdef 9999 linear jan1948 1mo
zdef 1 linear 1 1
vars 2
reg  0 99 regression
cor  0 99 correlation
ENDVARS