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josiahparry.com | ||
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vctrs.r-lib.org
vec_as_names() takes a character vector of names and repairs it according to the repair argument. It is the r-lib and tidyverse equivalent of base::make.names(). vctrs deals with a few levels of name repair: minimal names exist. The names attribute is not NULL. The name of an unnamed element is "" and never NA. For instance, vec_as_names() always returns minimal names and data frames created by the tibble package have names that are, at least, minimal. unique names are minimal, have no duplicates, and ca... |
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dplyr.tidyverse.org
Select (and optionally rename) variables in a data frame, using a concise mini-language that makes it easy to refer to variables based on their name (e.g. a:f selects all columns from a on the left to f on the right) or type (e.g. where(is.numeric) selects all numeric columns). Overview of selection features Tidyverse selections implement a dialect of R where operators make it easy to select variables: : for selecting a range of consecutive variables. ! for taking the complement of a set of variables. & ... |
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blog.libove.org
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www.omgubuntu.co.uk
Learn how to install the Deepin desktop environment on Ubuntu 18.04 from a PPA. The Deepin desktop is an attractive alternative desktop shell for Linux. |
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