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#26 2013-12-30 23:50:30

George,Y
Member
Registered: 2006-03-12
Posts: 1,306

Re: Normal Probability Integration

Last edited by George,Y (2013-12-30 23:51:55)


X'(y-Xβ)=0

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#27 2013-12-31 04:42:31

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,886

Re: Normal Probability Integration

Hi;

I do not think those are doable.


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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#28 2013-12-31 14:23:44

George,Y
Member
Registered: 2006-03-12
Posts: 1,306

Re: Normal Probability Integration

bobbym wrote:

Hi;

I do not think those are doable.

Yes, they are. Recall Normal probability distribution, please.


X'(y-Xβ)=0

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#29 2013-12-31 22:57:32

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,886

Re: Normal Probability Integration

The integral of the Normal distribution yields the error function. The error function is not an elementary function. In other words the integral does not have a closed form.

Yes, they are.

I do not think so and neither does mathematica or maple. I am willing to look at your answer. Please provide your answer.


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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#30 2014-01-01 00:01:06

George,Y
Member
Registered: 2006-03-12
Posts: 1,306

Re: Normal Probability Integration


Last edited by George,Y (2014-01-01 00:02:34)


X'(y-Xβ)=0

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#31 2014-01-01 00:04:33

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,886

Re: Normal Probability Integration

Hi;

What is N?


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

#32 2014-01-01 00:49:10

George,Y
Member
Registered: 2006-03-12
Posts: 1,306

Re: Normal Probability Integration

bobbym wrote:

Hi;

What is N?

Normal Probability Distribution Function


X'(y-Xβ)=0

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#33 2014-01-01 00:57:56

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,886

Re: Normal Probability Integration

Doesn't that have two parameters not one? That is why I asked.


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

#34 2014-01-01 01:07:20

George,Y
Member
Registered: 2006-03-12
Posts: 1,306

Re: Normal Probability Integration

bobbym wrote:

Doesn't that have two parameters not one? That is why I asked.

Normsdist in Microsoft Excel


X'(y-Xβ)=0

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#35 2014-01-01 01:10:48

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,886

Re: Normal Probability Integration

That is usually given a number, example Normsdist(2). I have no idea what it means when a function is put in there.


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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