On 19/06/2020 9:59 a.m., Jeffrey Dick wrote:
Hi Witold,
See also this thread on R-pkg-devel. Quoting Duncan Murdoch, "That
looks like a bug in grDevices."
Yes, and the bug is still there: grDevices:::.smoothScatterCalcDensity
calls KernSmooth::bkde2D without checking whether KernSmooth is available.
Duncan Murdoch
https://stat.ethz.ch/pipermail/r-package-devel/2019q3/004287.html
Cheers,
Jeff
On Wed, Jun 17, 2020 at 4:59 PM Witold E Wolski <wewol...@gmail.com> wrote:
Hello,
I am getting the following error when running a package check
```
Error in loadNamespace(name) : there is no package called 'KernSmooth'
Calls: <Anonymous> ... loadNamespace -> withRestarts ->
withOneRestart -> doWithOneRestart
Execution halted
```
The error happens in a function which calls graphics::smoothScatter
I found this e-mail on the r-devel list where this problem is also reported.
https://stat.ethz.ch/pipermail/r-devel/2015-February/070671.html
So I could add KernSmooth to Suggest in the DESCRIPTION but I have a
few questions:
(and I am citing from the e-mail above to which I could not find a reply):
"I have a few questions: isn't it unusual the way smoothScatter calls
grDevices:::.smoothScatterCalcDensity() and KernSmooth::bkde2D(),
i.e., without requiring the packages?
Shouldn't "graphics" suggest "KernSmooth"?
"
best regards
Witek
--
Witold Eryk Wolski
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