The probabilities are effectively zero.
Den 3:42 torsdag den 12. marts 2015 skrev Ryan <[email protected]>:
'normalcdf' gives different a result than R and Python for y < -7
In J:
load'stats'
([,:normalcdf) - i._10
_9 _8 _7 _6 _5 _4
_3 _2 _1 0
_2.22045e_16 1.38778e_15 1.27998e_12 9.86588e_10 2.86652e_7 3.16712e_5
0.0013499 0.0227501 0.158655 0.5
In R:
> cat(pnorm(-9:0))
1.128588e-19 6.220961e-16 1.279813e-12 9.865876e-10 2.866516e-07
3.167124e-05 0.001349898 0.02275013 0.1586553 0.5
Does anyone know why?
thanks,
Ryan
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