Created
August 27, 2015 02:00
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check for missing column names
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| gather_idx <- match(gather_cols, names(data)) | |
| if (anyNA(gather_idx)) { | |
| missing_cols <- paste(gather_cols[is.na(gather_idx)], collapse = ", ") | |
| stop("Unknown column names: ", missing_cols, call. = FALSE) | |
| } |
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from tidyverse/tidyr@487025b