[R-pkg-devel] Problem with Check --as-cran

[Tomas Kalibera]

The problem is with

if (class(data) != "matrix") stop("The data field should be an array or 
a data frame")

Please use inherits() instead of checking class(), see this for more details
https://developer.r-project.org/Blog/public/2019/11/09/when-you-think-class.-think-again

Best
Tomas



On 3/23/20 3:30 PM, LUIS ALFONSO PEREZ MARTOS wrote:
>
>> El 23 mar 2020, a las 15:05, LUIS ALFONSO PEREZ MARTOS <lapm0001 using gmail.com> escribió:
>>
>> Good morning, everyone,
>>
>> I am developing an R-package and when I check package I get this right. Attached image.
>>
>> <Captura de pantalla 2020-03-23 a las 15.00.58.png>
>>
>> But when I upload the package to cran they tell me the next error and I don't know how to fix it.
>>
>> https://win-builder.r-project.org/incoming_pretest/Clustering_1.0.0_20200322_181919/Windows/00check.log <https://win-builder.r-project.org/incoming_pretest/Clustering_1.0.0_20200322_181919/Windows/00check.log>
>>
>> Best regards
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