FROM TH2F
constant
0.04766667336133183+-0.020911932731841314
chi2/ndof = 0.079317201660481
plane
-0.019245681542381363+-0.044619577214550336
invpt slope = 0.060664214007464946+-0.023881384751905134
theta slope = 0.01492341610881217+-0.06565155284904631
chi2/ndof = 0.014736411946223158
from tgraph2D
constant
0.11197330639110968+-0.009737349427841548
chi2/ndof = 0.01185199673831442
plane
-0.027671626631682066+-0.007903501863707772
invpt slope = 0.06845216838571326+-0.003055254960669107
theta slope = 0.03281997827740768+-0.012042106823961351
chi2/ndof = 0.0017354598843280506