Re: cumd_norm

[Steve Martell]

dvariable z = (-0.2 - 1.5)/1.2;

p = cumd_norm(z);

On Sep 23, 2016, at 12:52 AM, Saang-Yoon <shy...@gmail.com> wrote:

Hi.

I note "cumd_norm" in the ADMB manual, and believe it returns the cumulative normal probability.    However, we don't find its usage in the manual.  For example, what arguments does it require?   May I ask your help with its illustration?   For example, how would you code in ADMB to calculate Prob(X<-0.2) where X ~ Normal(1.5, 1.2).  In R, we can write as follows:   pnorm(-0.2, mean=1.5, sd=sqrt(1.2)).     Thank you in advance for your help.

Saang-Yoon

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[Saang-Yoon]

Steve. Thank you.  

[Anders Nielsen]

To match your example I think you want the square root of the 1.2 as in:

 dvariable z = (-0.2 - 1.5)/sqrt(1.2);

p = cumd_norm(z);

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[Saang-Yoon Hyun]

Thank you.

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