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josiahparry.com | ||
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tidyselect.r-lib.org
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| | | | | These selection helpers match variables according to a given pattern. starts_with(): Starts with an exact prefix. ends_with(): Ends with an exact suffix. contains(): Contains a literal string. matches(): Matches a regular expression. num_range(): Matches a numerical range like x01, x02, x03. | |
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echarts4r.john-coene.com
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| | | | | [AI summary] A technical article guide demonstrates how to use a function in R to plot points, lines, and areas on geospatial style charts for data visualization. | |
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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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adv-r.had.co.nz
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