How do I rearrange columns in a data table in R?
How do I rearrange columns in a data table in R?
To reorder data. table columns, the idiomatic way is to use setcolorder(x, neworder) , instead of doing x <- x[, neworder, with=FALSE] . This is because the latter makes an entire copy of the data.
How do I rearrange the order of columns?
You can move a single column or a contiguous group of columns.
- Select the column that you want to move. To select more than one column, drag the pointer until you have selected the columns that you want.
- Do one of the following: In Datasheet view, drag the selected columns horizontally to the position that you want.
How do I reorder data in R?
Reorder Data Frame Rows in R
- Sort a data frame rows in ascending order (from low to high) using the R function arrange() [dplyr package]
- Sort rows in descending order (from high to low) using arrange() in combination with the function desc() [dplyr package]
How do I move columns in R?
You can use the following methods to change the column positions:
- Method 1: Move One Column to Front #move ‘x’ column to front df %>% relocate(x)
- Method 2: Move Several Columns to Front #move ‘x’ and ‘y’ columns to front df %>% relocate(x, y)
How do you order data tables?
Sort data in a table
- Select a cell within the data.
- Select Home > Sort & Filter. Or, select Data > Sort.
- Select an option: Sort A to Z – sorts the selected column in an ascending order. Sort Z to A – sorts the selected column in a descending order.
How do you order a column in a DataFrame?
Sorting Your DataFrame on a Single Column. To sort the DataFrame based on the values in a single column, you’ll use . sort_values() . By default, this will return a new DataFrame sorted in ascending order.
How do I change the order of rows in a DataFrame in R?
To change the row order in an R data frame, we can use single square brackets and provide the row order at first place.
How do I rearrange columns in alphabetical order in R?
Rearrange or reorder the column Alphabetically in R: Rearranging the column in alphabetical order can be done with the help of select() function & order() function along with pipe operator. In another method it can also be accomplished simply with help of order() function only.
How do I change the position of one column in R?
The easiest way to move the data frame column to a specific position in R is by using the function relocate from package dplyr. It is common for me that after creating a new column, I want that to move to a specific location in the R data frame.
How do you rearrange the column order in dplyr?
Use relocate() to change column positions, using the same syntax as select() to make it easy to move blocks of columns at once.