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vctrs.r-lib.org | ||
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dplyr.tidyverse.org
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| | | | | 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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roxygen2.r-lib.org
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| | | | | The basics of roxygen2 tags and how to use them for documenting functions. | |
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tibble.tidyverse.org
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| | | | | as_tibble() turns an existing object, such as a data frame or matrix, into a so-called tibble, a data frame with class tbl_df. This is in contrast with tibble(), which builds a tibble from individual columns. as_tibble() is to tibble() as base::as.data.frame() is to base::data.frame(). as_tibble() is an S3 generic, with methods for: data.frame: Thin wrapper around the list method that implements tibble's treatment of rownames. matrix, poly, ts, table Default: Other inputs are first coerced with base::as.... | |
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jdevuyst.blogspot.com
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| | | Most programmers who have dabbled in Clojure are probably familiar with the threading macros -> and ->>. For readers, who aren't. Here's wha... | ||
