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better error msg #20

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helix123 opened this Issue Jun 25, 2017 · 0 comments

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@helix123
@helix123

helix123 commented Jun 25, 2017

Specifing a wrong date format (YYYY-DD-MM instead of YYYY-MM-DD) gives a misleading error msg:

cranlogs::cran_downloads(from="2016-01-01", to="2016-31-12", packages = c("ggplot2"))
## No encoding supplied: defaulting to UTF-8.
## Error in res1$downloads : $ operator is invalid for atomic vectors
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