Re: Statistics`NormalDistribution` doesn't work?
- To: mathgroup at smc.vnet.net
- Subject: [mg50736] Re: Statistics`NormalDistribution` doesn't work?
- From: Bill Rowe <readnewsciv at earthlink.net>
- Date: Sat, 18 Sep 2004 05:48:57 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
On 9/17/04 at 1:17 AM, fake at mail.com (pshoplifter) wrote:
>I'm not a Mathematica newbie but I thought I was going mad until I
>noticed that even this copy from the helpbrowser doesn't get any
>results:
>In[123]:= << Graphics`Graphics`
>In[124]:= << Statistics`NormalDistribution`
>In[125]:= ndist = NormalDistribution[0, 1]
>Out[125]= NormalDistribution[0, 1]
>In[126]:= pdf = PDF[ndist, x]
>Out[126]= PDF[NormalDistribution[0, 1], x]
>In[127]:= Plot[pdf, {x, -3, 3}]
>Plot::plnr: pdf is not a machine-size real number at x =
>-2.99999975`. etc.
>Any help for this seemingly simple problem would be appreciated!
Try pasting the following into a fresh session
<< "Statistics`NormalDistribu\tion`"
ndist = NormalDistribution[0, 1]
pdf = PDF[ndist, x]
Plot[pdf, {x, -3, 3}]
My guess is that someplace in the notebook before you tried this example, you gave x a specific value causing the Plot function to fail.
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