August 2020 - Gretl-users - gretlml.univpm.it

by Allin Cottrell

I've noticed that downloads of gretl files from sourceforge have been unusually slow to start recently. I've put in a support ticket about this, but in the meantime here are alternative download paths for gretl 2020d: 64-bit Windows http://ricardo.ecn.wfu.edu/pub/gretl/gretl_install-64.exe 32-bit Windows http://ricardo.ecn.wfu.edu/pub/gretl/gretl_install-32.exe macOS http://ricardo.ecn.wfu.edu/pub/gretl/gretl-quartz.pkg source code http://ricardo.ecn.wfu.edu/pub/gretl/gretl-2020d.tar.xz -- Allin Cottrell Department of Economics Wake Forest University

6 years

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Plotting Cusum & Cusumsq for visualisation.

by Dhanasekaran Kuppusamy

Hello Gretl friends and users, I searched the commands for plotting Cusum & CusumSQ after estimating OLS , but I can't find it in my search . Is it possible to draw them using codes in Gretl? If yes,What command is to be used to plot / graph CUSUM and CUSUM SQ test in Gretl? Thanks in advance and It would be greatly appreciated for your help. Dhanasekaran.K

6 years

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Problem isoweek() for week 53

by Artur Tarassow

Hi all, I've found a rather strange 'result' when using the isoweek() function. For some reason the last 2 days of calendar year 2019 do not refer to week 53 but week 52 instead. For 2020, however, things are alright. Do I miss anything or is this a kind of bug? Best, Artur <hansl> clear nulldata 800 setobs 7 2019-01-01 --time-series series year, month, day isoconv($obsdate, &year, &month, &day) series week = isoweek(year, month, day) # new week starts Monday smpl month == 12 && day > 28 --restrict print year month day week -o </hansl> returns <output> year month day week 1 2019 12 29 52 2 2019 12 30 1 # WEIRD 3 2019 12 31 1 # WEIRD 4 2020 12 29 53 5 2020 12 30 53 6 2020 12 31 53 </output>

6 years

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gretl 2020c: GUI bug warning

by Allin Cottrell

We've discovered a bug in the recent 2020c release. It's maybe not very likely to get triggered but if it is then gretl will surely crash. This is now fixed in snapshots. But here's what NOT to try in the current release: 1. With a dataset loaded, select one or more series in the main window, right-click, and select "Display values". 2. In the data window that appears, click on the third button from the left in the button-bar at the top ("Copy"). This lets you send data to the clipboard. 3. A little dialog appears, to let you choose the format for the copying. If you select anything OTHER THAN "plain text" and click OK gretl will crash. -- Allin Cottrell Department of Economics Wake Forest University

6 years

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interpretation of Gretl IRFs

by lasses skola

Hi! I was wondering on how to interpret IRFs, based on VEC models in Gretl. What unit is the impulse in and what unit is the response in? My guess is that an impulse is measured in as a standard deviation or standard error in the independent variable and the response is measured in absolute values in the dependent variable, is this correct? Best regards, Lars

6 years

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gretl 2020c released

by Allin Cottrell

As usual, see http://gretl.sourceforge.net/ A couple of notes: (1) The 32-bit Windows installer now has "32" in its name: gretl_install-32.exe (and it's no longer the default download for Windows, that's now the 64-bit version). (2) We're no longer updating the legacy OS X builds (for 32-bit Intel and PPC, both requiring X11/Xorg). 2020b was the last gretl release for those platforms. The 64-bit "quartz" build of gretl will run on macOS 10.6 or higher. Here's the change log: 2020-07-31 version 2020c - New feature: thematic maps, supported by new "geoplot" addon; allow loading GeoJSON and ESRI shapefiles as gretl datasets - New feature: offer a choice of plotting styles or themes, via GUI and also via a new "set" variable, graph_theme; plus set the default to the "dark2" theme - Add new bincoeff() function, giving binomial coefficients - Add new sgn() function: returns the sign of its argument - Improve error message in case of invalid gnuplot path - loop: make "quiet" operation the default - Path-searching for inputs: improve the mechanism for storing likely locations based on the opening of scripts - Packaged datasets: show type and size in the GUI, as well as a brief description - GUI data access: add convenience menu items for accessing files supplied by "addons" such as SVAR - bwrite() and bread() functions: support JSON as well as XML for representing gretl bundles - atof() function: allow giving a string-valued series as argument - strlen() function: generalize to allow strings array and string-valued series arguments - pshrink() function: add an optional argument to avoid skipping missing values - mshape() function: make the third argument optional and document the new behavior - Fix bug: failure of negative matrix index (exclusion) when a value of -999 was given - Fix bug: the "restrict" command as applied to VECMs could emit an unwanted newline even given the --silent option - Fix bug: "panel plot" coud crash under certain conditions - Fix bug: ensure greater precision when printing values to 15 or more significant digits - Fix bug: possible error in Spearman's rho for the case of no ties - "fractint" and "hurst" commands: make the estimated fractional difference or exponent accessible via the $result accessor - "xtab" command: fix for the case when one or more of the series to be cross-tabulated are string-valued - "summary" command: don't provide spurious results for string-values series - "scatters" command, time-series variant: try harder to get appropriate time-axis tics - "pkg" command: enable variant "pkg index addons" to update the index of installed "addon" packages - "set" command, "initvals" keyword: clarify the status of this setting (non-persistent) - String-valued series: drop any unused strings when sub- sampling with the --permanent flag, and when saving a sub-sampled dataset via the "store" command - Arrays of strings: support union and intersection via the "||" and "&&" operators respectively - Error reporting: be more specific when the problem is an out-of-bounds index value - Datasets supplied with gretl: include a version of R's "swisspharma" data; enhance the grunfeld panel dataset - User's Guide: incorporate the previously stand-alone MIDAS documentation as two new Guide chapters - MS Windows and macOS builds: update to gnuplot 5.2.6 - macOS: provide 64-bit builds of x13as and tramo-seats - Building gretl on MS Windows: updates and improvements to the auto-generated support files - Update several translations - Numerous small bug-fixes -- Allin Cottrell Department of Economics Wake Forest University

6 years

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How to undo an action in Gretl?

by Cristián Arturo Ducoing Ruiz

Hello Gretl friends, In two weeks I'll begin to teach the course "Economic History: Booms and Busts - Skills for Understanding Crises" This online course was designed to teach economic history through statistics and the software chosen, of course, it's Gretl! The initial level of the students is quite basic, and one of the problems we have detected is the great majority of them don't have any experience with statistical software beyond Excel. So, they are used to *undoing* actions if they make a mistake. *The question. *As I usually work in gretl with *Hansl* instead of the GUI, I haven't realized that there is not an "undo" button in the GUI... *Is there a way to undo an action in Gretl?* Example, if I delete a series, could I undo this action? if the answer is yes, how? Thank you in advance and I'll keep you updated regarding the reception of the course. Best and happy weekend -- Atte. Cristián Arturo Ducoing Ruiz

6 years

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Gretl-users August 2020