[R-pkg-devel] Dependency needs to be loaded manually even its specified in the package

[Nuria Perez-Zanon]

Oooooh! Thanks, David. I was almost crazy. :D

I'll try it!

Best whishes,

Núria

El 18/9/20 a las 19:07, David Kepplinger escribió:
> Hi Núria,
>
> I've never used qmap, but looking at the source code it seems it's not 
> using S3 or S4 methods in `doQmap()` but is looking for the proper 
> method using `exists()`. Given that your package doesn't import the 
> required function, it's not found by `exists()` and the `doQmap()` 
> function complains.
>
> I think the only way around it is to declare the qmap package in the 
> Depends field, rather than the Imports field.
>
> Best,
> David
>
> On Fri, Sep 18, 2020 at 9:39 AM Nuria Perez-Zanon <nuria.perez using bsc.es 
> <mailto:nuria.perez using bsc.es>> wrote:
>
>     Dear all,
>
>     I am maintaining a package call CSTools which is aimed for
>     post-processing climate simulations.
>
>     The package is already published on CRAN with all dependencies
>     correctly
>     state in DESCRIPTION, NAMESPACE and roxygen2 headers.
>
>     However, when using one specific function which depends on 'qmap'
>     package, I should loaded both packages by executing:
>
>          library(CSTools)
>          library(qmap)
>
>     In case I don't load the second library, I get the error
>
>     Error in doQmap(x = sample_cor, fobj = adjust, ...) :
>        doQmap not defined for class(fobj) ==fitQmapQUANT
>
>     Has anyone an idea for needing to manually load a dependency? I
>     provide
>     a code below if someone wants to test it.
>
>     Thanks in advace,
>
>     Núria
>
>     P.S.: Here is the code: library(CSTools) exp <- lonlat_data$exp
>     obs <- lonlat_data$obs
>     res <- CST_QuantileMapping(exp, obs)
>
>
>
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