sourcetools | Tools for reading , tokenizing , and parsing R code | Parser library
kandi X-RAY | sourcetools Summary
kandi X-RAY | sourcetools Summary
Tools for reading, tokenizing, and (eventually) parsing R code.
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QUESTION
I wanted to test renv
package for shiny app.
here is my dummy app :
ANSWER
Answered 2021-Jan-25 at 23:51https://community.rstudio.com/t/shiny-server-renv/71879/2 may be relevant -- you likely want to call renv::isolate()
before copying your project folder.
QUESTION
Upon opening a project on rstudio i have the following Warning:
...ANSWER
Answered 2020-Sep-15 at 22:47I think this is ultimately a small bug in renv
. Here's my guess at what's happening:
While this project has been initialized as an
renv
project, it does not have a lockfile for some reason. (Perhapsrenv::activate()
was called to initializerenv
without explicitly creating a lockfile?)The project has an
renv
autoloader; this is from a script atrenv/activate.R
. That script is configured to loadrenv 0.11.0
.When the project is loaded,
renv
finds thatrenv 0.12.0
is installed in the project library, not the expected version0.11.0
. This causes the warning to be emitted. (Perhapsrenv
was updated in that project previously?)
So, ultimately, the warning is misleading here -- the request for renv 0.11.0
comes directly from the autoloader, not from the lockfile (which does not exist). As for why the lockfile does not exist, I'm not sure -- but it most likely implies the project was initialized via renv::activate()
, and not by renv::init()
.
All that said -- you can safely re-generate the lockfile via renv::snapshot()
.
QUESTION
I am trying to develop a sort of form through a shiny app, the idea is that the user fills a specific field (a zoning of medical-development priority) about many geographical places (french districts). Thus I think DT is the best option. I don't want to make the column editable
because I want the user to choose between 4 specific values (the idea of the form is to reduce the free text to be cleaned afterward).
I started to work with the example of YiHui https://yihui.shinyapps.io/DT-radio/ As I work for french users I tried to add an option to customize language to french, but the entire logic broke, I don't know why.
Here is a reprex : (simply comment the line with language = list(...
to make it work).
ANSWER
Answered 2019-Jun-28 at 11:52I can't explain but this works by adding a setTimeout
:
QUESTION
It seems package_dependencies
doesn't report all the dependencies,
or install.packages
is going way, way overboard.
For example, in a new install of R 3.5.0 from source on Ubuntu 16.04,
package_dependencies shows only 3 dependencies for colorspace
. But when I
install colorspace
, 22 other packages are yanked in.
ANSWER
Answered 2018-Jun-17 at 01:22By setting dependencies=TRUE
(rather than the default value of NA
) you're getting not just imports/depends/linkingto, but also all of the suggested packages: from ?install.packages
,
... ‘TRUE’ means to use ‘c("Depends", "Imports", "LinkingTo", "Suggests")’ for ‘pkgs’ and ‘c("Depends", "Imports", "LinkingTo")’ for added dependencies: this installs all the packages needed to run ‘pkgs’, their examples, tests and vignettes (if the package author specified them correctly).
The analog for package_dependencies
is which="all"
.
QUESTION
I installed R and trying to install additional package: rgl
. The problem is, I keep getting this error:
ANSWER
Answered 2017-Oct-16 at 20:30I fixed that error thanks to Harutyun Khachatryan from the r-sig-debian
mailing list.
The solution is here: https://askubuntu.com/questions/26498/choose-gcc-and-g-version
The only difference is that I used gcc and g++ with versions 4.8 and 4.9 (instead of 4.3 and 4.4).
All commands I used to fix it:
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