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dplyr is an R package whose set of functions are designed to enable dataframe (a spreadsheet-like data structure) manipulation in an intuitive, user-friendly way. It is one of the core packages of the popular tidyverse set of packages in the R programming language. [1]
Subsets of data can be selected by column name, index, or Boolean expressions. For example, df[df['col1'] > 5] will return all rows in the DataFrame df for which the value of the column col1 exceeds 5. [4]: 126–128 Data can be grouped together by a column value, as in df['col1'].groupby(df['col2']), or by a function which is applied to the index.
Thus, if we have a vector containing elements (2, 5, 7, 3, 8, 6, 4, 1), and we want to create an array slice from the 3rd to the 6th items, we get (7, 3, 8, 6). In programming languages that use a 0-based indexing scheme, the slice would be from index 2 to 5. Reducing the range of any index to a single value effectively eliminates that index.
tidyr – help transform data specifically into tidy data, where each variable is a column, each observation is a row; each row is an observation, and each value is a cell. readr – help read in common delimited, text files with data; purrr – a functional programming toolkit; tibble – a modern implementation of the built-in data frame data ...
The teams seeded No. 5 through No. 12 will face off in a series of highly competitive win-or-go-home first-round games. The winners of these games will advance to the quarterfinals to face the top ...
This is a stop-gap template that serves as an interface to Module:Row numbers.. This template makes it possible, in many cases, to have an incrementing row indexer/counter in a table so that adding or removing rows automatically adjusts the numbering of subsequent rows.
Sylvein William Maximilian D’Habsburg XVII, 48, has been accused of taking more than $5.9 million from victims over the course of several years. It was all under the guise of investing in his ...
Pelicans at Grizzlies, 5 p.m. (NBA TV) Grizzlies are eliminated with a loss OR Lakers win OR Clippers win + Trail Blazers win. Magic at Nets, 7:30 p.m.