Re: [Gretl-users] Problem with bootstrap result

2012-02-24 Thread alexkakashi at libero . it
The Allin method is perfect, I have only changed when there is the error message. In my application I have use the following commands to obtain the pseudo-data. But the bootstrap results are strange. Is it right my script to generate the pseudo-data? r=154## number of observations sys

Re: [Gretl-users] Problem with bootstrap result

2012-02-23 Thread Summers , Peter
Allin, >I'm attaching an example script which bootstraps a Granger non-causality test >(using a data file from the gretl package). For some reason, I get an error message when running your example script: Data types not conformable for operation >> series y1 = S[,1] This seems odd because a) i

Re: [Gretl-users] Problem with bootstrap result

2012-02-23 Thread alexkakashi at libero . it
Thanks Ignacio. I know that the single equation can be estimated by OLS. In my application I have no stationary time series and I work using variables in levels. I'd like use bootstrap method based on residuals, which are uncorrelated. I have considered only the equation 1. ols Y const Y(-1) Y(

Re: [Gretl-users] Problem with bootstrap result

2012-02-23 Thread Allin Cottrell
On Thu, 23 Feb 2012, Summers, Peter wrote: > Allin, > >> I'm attaching an example script which bootstraps a Granger >> non-causality test (using a data file from the gretl >> package). > > For some reason, I get an error message when running your example script: > Data types not conformable for

Re: [Gretl-users] Problem with bootstrap result

2012-02-23 Thread Allin Cottrell
On Thu, 23 Feb 2012, alexkakashi(a)libero.it wrote: > I know that the single equation can be estimated by OLS. In > my application I have no stationary time series and I work > using variables in levels. I'd like use bootstrap method > based on residuals [...] On a point of etiquette, please d

Re: [Gretl-users] Problem with bootstrap result

2012-02-23 Thread Ignacio Diaz-Emparanza
El 22/02/12 13:44, alexkakashi(a)libero.it escribió: > Dear community of gretl, > > I prefer writing a new post about my problem. I'm interested in testing > Granger causality from X to Y in a trivariate VAR. The critical values are > found using bootstrap based on residuals. In the first stage I

[Gretl-users] Problem with bootstrap result

2012-02-22 Thread alexkakashi at libero . it
Dear community of gretl, I prefer writing a new post about my problem. I'm interested in testing Granger causality from X to Y in a trivariate VAR. The critical values are found using bootstrap based on residuals. In the first stage I consider only the equation ols Y const Y(-1) Y(-2) X(-1) X