R dataframe add column name

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Changing column names of a data frame - Stack OverflowUse the colnames() function: R> X X bad worse 1 1 -2.440467 2 2 1.320113 3 3 -0.306639 R> ...use first row data as column names in r - Stack OverflowHow to change column name according to another dataframe in R ...Adding new column to existing DataFrame in Python pandas - Stack ...How to sort a dataframe by multiple column(s) - Stack Overflowstackoverflow.com 的其他相關資訊8.4 Dataframe column names - BookdownAn introductory book to R written by, and for, R pirates. ... References · Published with bookdown. Facebook Google+ Twitter Weibo Instapaper. A A. Serif ... One of the nice things about dataframes is that each column will have a name. You can use ... Now, let's add a new column called sex with a vector of sex data: # Add a ...gl: Generate Factor Levels - Rdrr.io... has levels from 1 to n with each value replicated in groups of length k out to a total length of length . gl is modelled on the GLIM function of the same name.Comparison with R / R libraries — pandas 1.2.3 documentationIn comparisons with R and CRAN libraries, we care about the following things: ... df.groupby('col1').sum(). Base R¶. Slicing with R's c ¶. R makes it easy to access data.frame columns by name ... baseball