dset /cpc/home/wd52pp/data/attr/diag/diag.t2m.regr_vs_nino34.amj.gr
undef -9.99E+8
ydef 180 linear -89.5  1.0
xdef 360 linear   0.5  1.0
tdef 9999 linear jan1949 1mo
zdef 1 linear 1 1
vars 2
reg  0 99 regression
cor  0 99 correlation
ENDVARS