In the User's guide ch. 22 I cannot find a mention of the heteroskedasticity-robust estimator "HC3a", which one can find as an option in the model menu.

Could you perhaps include this also in the list of the "HCx" esitmators presented I think in p. 196?

Thanks.

Alecos Papadopoulos PhD
Athens University of Economics and Business
web: alecospapadopoulos.wordpress.com/
scholar:https://g.co/kgs/BqH2YU

Hi all,

on behalf of the development team, I'm glad to announce that we're
about to release gretl 2021c. The official release will take place in
a week or so, but you can already see what's new by downloading and
installing the 2021c release candidate:

64-bit Windows:
https://sourceforge.net/projects/gretl/files/snapshots/gretl_install-64.exe/download

Mac OS (Intel):
https://sourceforge.net/projects/gretl/files/snapshots/gretl-macos-intel.pkg/download

Mac OS (M1):
https://sourceforge.net/projects/gretl/files/snapshots/gretl-macos-arm64.pkg/download

To have a quick idea of what the new stuff is, take look at the
Changelog:
http://gretl.sourceforge.net/ChangeLog.html

In fact, we'd appreciate it very much if you could give these versions a good go: we have tried to squash all the bugs we were aware of, but you can never be 100% sure, so please hammer on the release candidates as much as you can. Some of the new GUI features are somewhat experimental, so we'd be grateful if you could try them out. To enable them, go to Tools>Preferences>General and look for the following:

1) the "plot collection" feature (multiple plots in one window); see
the help for "set plot_collection"

2) the "Main window includes console" feature (try it for yourselves,
I don't want to spoil it for you).

Between now and the official release, we'll only fix any bugs you may report (no new features), and give the translators some time to send us updates of the PO files. As of now, the only localisations that are 100% complete are Italian and Russian (thanks to Olesya Petrenko).

Should you have any question or comment, please feel free to contact
any of us.

Thanks!


PS: Linux people will have to download the source and compile it
themselves; the source code is at
https://sourceforge.net/projects/gretl/files/snapshots/gretl-source.tar.xz/download

If you need guidance on how to build, have a look at Appendix B in the
User's Guide, or watch the excellent video by Clive Nicholas:
https://youtu.be/WSdZkd-uln4


-------------------------------------------------------
  Riccardo (Jack) Lucchetti
  Dipartimento di Scienze Economiche e Sociali (DiSES)

  Università Politecnica delle Marche
  (formerly known as Università di Ancona)

  r.lucchetti@univpm.it
  http://www2.econ.univpm.it/servizi/hpp/lucchetti
-------------------------------------------------------

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