[R-pkg-devel] CRAN pre-test failed on NOTE "no visible binding for global variable"

...
if(getRversion() >= "2.15.1") utils::globalVariables(c("."))
Using such a general pattern eventually and  inevitably will prevent the check from reporting legitimate bugs. 
One alternative is to list explicitly the variables in question and make sure that they are not commonly used names like 'x'. 
If that is not practical and you use non-standard evaluation a lot,  consider '.data' from package 'lang' , see its documentation and/or Google it 
to find out how to use it. 

#' @importFrom rlang .data

Georgi Boshnakov

-----Original Message-----
From: R-package-devel [mailto:r-package-devel-bounces at r-project.org] On Behalf Of I?aki Ucar
Sent: 02 July 2019 15:19
To: Berlanga, Antonio J
Cc: r-package-devel at r-project.org
Subject: Re: [R-pkg-devel] CRAN pre-test failed on NOTE "no visible binding for global variable"

ra?l

On Tue, 2 Jul 2019 at 14:18, Berlanga, Antonio J
Hi r-package-devel,

I've submitted my first package but it failed the CRAN pre-tests on
NOTES. I got:

- my email

- an extra non-standard file (which I have now added to .Rbuildignore)

- NOTEs on "no visible global function definition"

The first two I assume are harmless. The third I do not know how to fix
(possible solutions below). Can it be ignored and suggest the fail was a
false-positive?

The third NOTE is:

#######

Flavor: r-devel-linux-x86_64-debian-gcc, r-devel-windows-ix86+x86_64
Check: R code for possible problems, Result: NOTE
  epi_clean_count_classes: no visible global function definition for
    '%>%'
  epi_clean_count_classes: no visible binding for global variable '.'
  epi_plot_heatmap: no visible binding for global variable 'Var1'
  epi_plot_heatmap: no visible binding for global variable 'Var2'
  epi_plot_heatmap: no visible binding for global variable 'value'
  epi_plot_heatmap_triangle: no visible binding for global variable
    'Var1'
  epi_plot_heatmap_triangle: no visible binding for global variable
    'Var2'
  epi_plot_heatmap_triangle: no visible binding for global variable
    'value'
  epi_plot_heatmap_triangle: no visible global function definition for
    'element_text'
  epi_plot_heatmap_triangle: no visible global function definition for
    'coord_fixed'
  epi_plot_heatmap_triangle: no visible global function definition for
    'element_blank'
  epi_plot_heatmap_triangle: no visible global function definition for
    'element_rect'
  epi_plot_heatmap_triangle: no visible global function definition for
    'guide_colorbar'
  epi_stats_summary: no visible global function definition for '%>%'
  epi_stats_tidy: no visible global function definition for '%>%'
  epi_stats_tidy: no visible binding for global variable '.'
  epi_stats_tidy: no visible binding for global variable 'x'
  epi_stats_tidy: no visible binding for global variable 'n'
  epi_stats_tidy: no visible binding for global variable 'id'
  Undefined global functions or variables:
    %>% . Var1 Var2 coord_fixed element_blank element_rect element_text
    guide_colorbar id n value x
#######

Solutions seem to cause errors elsewhere and there does not appear to be
an ideal one unfortunately. It seems to me that adding a file in the
directory 'R' containing eg:

#######

if(getRversion() >= "2.15.1") utils::globalVariables(c("."))

#######

is one of the preferred ways. This seems far from ideal though.
If you use NSE in your package, this is the best solution. You may
also switch to SE.

I?aki

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[R-pkg-devel] CRAN pre-test failed on NOTE "no visible binding for global variable"

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