Search found 18 matches

by jolly
Sun Sep 11, 2011 4:24 am
Forum: Econometric Discussions
Topic: comparison of empirical and theorical cdf
Replies: 0
Views: 2359

comparison of empirical and theorical cdf

Hi!
I've empirical F-values distribution function, and I need to compare it to Theorical F-distribution function. How can i plot theorical cdf?
by jolly
Wed Sep 07, 2011 8:11 am
Forum: Econometric Discussions
Topic: regression
Replies: 6
Views: 15050

Re: regression

yes, you'are right! And another question ( I hope so it'll be last) : obviously, my task is to show that fisher criterion distribution when Ho is true, goes to F(k-m,N-k) when degrees of freedom are increasing. So I'm generating one regression with 100 x, and another with 10. So in which one I can s...
by jolly
Wed Sep 07, 2011 7:13 am
Forum: Econometric Discussions
Topic: regression
Replies: 6
Views: 15050

Re: regression

but why when i try this code. in equation all: Std. Error t-Statistic Prob. are NA?
by jolly
Wed Sep 07, 2011 6:19 am
Forum: Econometric Discussions
Topic: regression
Replies: 6
Views: 15050

Re: regression

thank you!
by jolly
Wed Sep 07, 2011 12:28 am
Forum: Econometric Discussions
Topic: plot F(k-1,N-k)
Replies: 2
Views: 5294

Re: plot F(k-1,N-k)

If I'm generating values with this function?
=@fdist(x,v1,v2)

what is x there??
by jolly
Wed Sep 07, 2011 12:23 am
Forum: Econometric Discussions
Topic: plot F(k-1,N-k)
Replies: 2
Views: 5294

plot F(k-1,N-k)

How to plot F(k-1,N-k) distribution function ?
by jolly
Tue Sep 06, 2011 11:57 pm
Forum: Econometric Discussions
Topic: regression
Replies: 6
Views: 15050

regression

Hi,

Can I ask for a help? I have a regression : y=c(1)*x1+c(2)*x2.
I generate x in this way:
genr x1=1
genr x2=(@trend+1)/10

How can i generate 100 such x using matrix? because I need this regression: y=c(1)*x1+c(2)*x2+...+c(100)*x100

I don't know how to do it in eviews. and what function to use..
by jolly
Tue Sep 06, 2011 9:45 am
Forum: Programming
Topic: plot cdf
Replies: 2
Views: 5231

plot cdf

If I have a series FFF with empirical F-distribution values
and I try to plot empirical distribution function:
freeze(garph) FFF.cdfplot(c)
Is this function right to plot it?
And how to plot a theoretical F-distribution function?
by jolly
Sat Sep 03, 2011 1:39 am
Forum: Econometric Discussions
Topic: f-critical values
Replies: 1
Views: 6579

f-critical values

I want to estimate critical f-value, I find this function:

=@qfdist(0.95,1,eq.@regobs-eq.@ncoefs)

What is the innterpretation of "1" here? Is always it equal 1?
by jolly
Fri Sep 02, 2011 1:57 pm
Forum: Econometric Discussions
Topic: t-distribution
Replies: 3
Views: 6370

Re: t-distribution

I'm creating a regresion, and it's is said that errors e~t(v).and nothing about "v" ..
by jolly
Fri Sep 02, 2011 1:38 pm
Forum: Econometric Discussions
Topic: t-distribution
Replies: 3
Views: 6370

t-distribution

I have to generate errors which are distributed as a Student t-distribution and I use function @rtdist(v). How I should choose value of degrees "v"?
by jolly
Fri Aug 26, 2011 12:05 pm
Forum: Programming
Topic: vectors to matrix
Replies: 8
Views: 12709

Re: vectors to matrix

suppose, mu vector is MM and I shoul convert him. so how it's decribe with function @val. ?
by jolly
Fri Aug 26, 2011 11:06 am
Forum: Programming
Topic: vectors to matrix
Replies: 8
Views: 12709

Re: vectors to matrix

thank you. And another question. when i try to use yours function. it's said that one of my vectors values are not numerical. How I should convert them to numerical?
by jolly
Fri Aug 26, 2011 10:52 am
Forum: Programming
Topic: vectors to matrix
Replies: 8
Views: 12709

vectors to matrix

Hello,

I have to wectors and I want to group them into matrix. How can I do it?

Thanks
by jolly
Tue Aug 02, 2011 9:20 am
Forum: Econometric Discussions
Topic: Fisher distribution
Replies: 1
Views: 3274

Re: Fisher distribution

I need to write a short program which illiustrates it.

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