1-2 将R数据写入Excel write.xlsx(x, file, sheetName = “Sheet1”, col.names = TRUE, row.names = TRUE, append = FALSE) write.xlsx2(x, file, sheetName = “Sheet1”, col.names = TRUE, row.names = TRUE, append = FALSE) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 library(...
(var)) %in% names(data)){ # 判断待分析变量是否在数据框列名里,如果不是,报错; var <- deparse(substitute(var)) # 如果是,那就确定用作待分析变量; } if (!(var %in% names(data))) { stop(var, "is not a valid column name for", deparse(substitute(data))) } if (deparse(substitute(...
...:将原数据框中的所有列赋给一个新变量key value:将原数据框中的所有值赋给一个新变量value ...2)gather 在 mpg:am之间的所有列 mtcars_long3 % rownames_to_column("car_ID") %>% gather( 6.8K20 Python和R之间转换的基本指南:使用Python或R知识来有效学习另一种方法的简单方法 当你...
(var)) %in% names(data)){ # 判断待分析变量是否在数据框列名里,如果不是,报错; var <- deparse(substitute(var)) # 如果是,那就确定用作待分析变量; } if (!(var %in% names(data))) { stop(var, "is not a valid column name for", deparse(substitute(data))) } if (deparse(substitute(...
could not find function "rownames_to_column" Oops, I got an error message; the function wasn’t found. I remembered the right command, and using the dplyr package did cause the car names to vanish, but the solution is in the tibble package that I “forgot” to load. So let’s load...
Use a consistent naming scheme for the parameters (e.g.col_namesandcol_typesnotheaderandcolClasses). Are generally much faster (up to 10x-100x) depending on the dataset. Leave strings as is by default, and automatically parse common date/time formats. ...
dplyris an R package that provides a consistent set of verbs that help you solve the most common data manipulation problems, such as selecting variables based on the names, picking cases based on the values, reducing multiple values down to a single summary, and changing the ordering of the ...
Merge Data Frames by Row Names Convert List to Data Frame Row Bind Data in R Column Bind Data in R Join Data with dplyr Package R Functions List (+ Examples) The R Programming Language On this page you learned how tomerge multiple data frames using base R and the tidyversein R. However...
Column names and types are determined from the data in the sheet, by default. User can also supply viacol_namesandcol_typesand control name repair via.name_repair. Returns atibble, i.e. a data frame with an additionaltbl_dfclass. Among other things, this provide nicer printing. ...
As a side note, I'dreallyliketibble::rownames_to_columnto be able to runtype.convertin case there are no names or row names are otherwise numeric. It wouldn't be type-safe, but it could be put in as aconvert = TRUEparameter like that ofspreadandgather. I'd write the PR if the ...