April 2022 - Gretl-users - gretlml.univpm.it

by Theodoros Panagiotidis

Dear all, has anybody tried to produce news impact curve in from the GARCH option (GUI) option in gretl and from the GARCH variants (gig 2.24)? Is the option residuals from the GARCH option in GUI the same as the standardised residuals in the GARCH variants gig? regards Theo

8 months, 1 week

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Will Gretl add a way to interact with Scilab?

by tenghuanbin＠foxmail.com

Since Gretl has already got the Octave support, and Scilab, which has a great econometrics toolbox "Grocer", may be better than Octave in economic practice, will gretl add the Scilab support for users? Thank a lot!

10 months, 1 week

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Update "string_utils" package

by atecon

Hi all, There is a new version of the "string_utils" package available. The changelog is: - 0.5, April 2022: + Add new functions capitalize(), camelcase(), snakecase(), titlecase() and find() The find() function might be of special interest to you, Fred Engst. This is the function you requested in this thread: https://gretlml.univpm.it/hyperkitty/list/gretl-users@gretlml.univpm.it/t... Enjoy and report eventual bugs here on the mailing list or via github here: https://github.com/atecon/string_utils Best, Artur

11 months

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Function colleting plots

by Cristián Arturo Ducoing Ruiz

Dear Community, I have enabled "collecting plots" in the GUI but it isn't working. Any clues? Windows 10, 64 bits and Gretl 2022a Best regards and great week to everyone -- Atte. Cristián Arturo Ducoing Ruiz

11 months

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Typo in the help text for "Estimated Density plot..."

by Alecos Papadopoulos

In the "help" text for "Estimated Density plot...", in the expression for "h" the sample size is raised in the (1/5) power when it should be raised in the (-1/5) power. -- Alecos Papadopoulos PhD Athens University of Economics and Business web: alecospapadopoulos.wordpress.com/ scholar:https://g.co/kgs/BqH2YU

11 months, 2 weeks

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low to high frequency simply by repeating values

by Sven Schreiber

Hi, my seemingly simple problem is this: in a quarterly dataset I have a series where valid values are only given for the respective first quarters, something like this: a NA NA NA b NA NA NA c .... I want to repeat and copy those values (a,b,c...) over to the other quarters of the respective years and fill the NAs with that. (So annual values are simply distributed over the quarters by repitition.) However, I'm struggling to get the tdisagg() function to do that. Yes, I have read the corresponding chapter 9 of the guide. Any hints or examples will be appreciated. I would prefer to do this via scripting, not via the GUI, to automate it later. thanks sven

11 months, 2 weeks

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Using foreign libraries, such as Python possible?

by Fred Engst

Thank Sven for that great one-liners! As I read in the user’s guide, we can actually invoke R library and use it to meet all of our needs for functions. I’m just wondering if there is any chance that we can use Python library the same way as we do with R. Best, Fred

11 months, 2 weeks

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Is there a string find function in gretl?

by Fred Engst

Hi Allin and others on the gretl team, I tried to find a simple string function similar to OX’s strfind() function, or Excel’s find() function, that gives me the position of a text string in another text string and couldn’t seem to find one. All the functions in the “Strings” section gives something else then what I want, it seem. Best, Fred

11 months, 3 weeks

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Using foreign libraries, such as Python possible?

by Fred Engst

Thank Sven for that great one-liners! As I read in the user’s guide, we can actually invoke R library and use it to meet all of our needs for functions. I’m just wondering if there is any chance that we can use Python library the same way as we do with R. Best, Fred

11 months, 3 weeks

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OLS regression with heteroscedasticy problem

by 3J LEMA

For my panel data (all continuous variables; 1 DV, 4 IVs; 8 time points for each of the 5 companies), the Breusch-Pagan test is nonsignificant (Chi-square(4) = 1.77291, p= 0.777434) implying that both Random effects model and fixed effect model are not appropriate. I used the OLS regression with heteroscedasticy problem. Any suggestions on how to remedy this? Appreciate your help. Lema.

11 months, 3 weeks

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Gretl-users April 2022