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I've downloaded GTK+ and installed it.

When I run install.packages(c('blob','RSQLite','RQDA')), or install.packages("RQDA",dependencies=c("Depends", "Imports"))

I get this same error:

Warning in install.packages : unable to access index for repository NA/src/contrib: scheme not supported in URL 'NA/src/contrib/PACKAGES' Warning in install.packages : packages ‘blob’, ‘RSQLite’, ‘RQDA’ are not available (for R version 3.6.3) Warning in install.packages : unable to access index for repository NA/bin/windows/contrib/3.6: scheme not supported in URL 'NA/bin/windows/contrib/3.6/PACKAGES'

What's the problem and what can I do?

user438383
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Sabrina Von Wegerer Elizeche
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1 Answers1

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RQDA cannot be installed directly since R 3.6, I understand. However, @BroVic developed an R package to install all the necessary dependencies (some not a part of R) called RQDAassist. I'm on Windows 10 and running R 4.1 and this worked for me:

# install.packages("devtools")

devtools::install_github("BroVic/RQDAassist")

RQDAassist::install()

Then you can simply launch RQDA from the console or in a md file

library(RQDA)

Nate Breznau
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  • Bizarre. Out of curiosity, wouldn’t it have been easier to fork and fix the RQDA package, rather than write a separate helper package? – Konrad Rudolph Dec 13 '21 at 19:07
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    @KonradRudolph such a fork exists. The reason I wrote a script (and then a package) was to install that specific last (pre-archive) CRAN version of RQDA that my own team uses. Also, the RQDAassist package has other helper functions for working with RQDA. – BroVic Dec 13 '21 at 21:43
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    @BroVic Thanks, good to know. And thanks for making the package available for others. – Konrad Rudolph Dec 13 '21 at 21:45
  • Thanks for the support! – BroVic Dec 13 '21 at 21:46