R Select Data Frame Column Using Character Vector (Example) | $-Operator vs. [,] | Extract Variable Published 2020-06-08 Download video MP4 360p Similar videos 04:48 Convert Data Frame Column to Vector in R (3 Examples) | Extract Variable | $-Operator & pull 04:09 Select Data Frame Columns by Logical Condition in R (Example) | grepl, select & starts_with of dplyr 02:55 Filter Vector in R (Example) | How to Subset & Extract Particular Elements | Logical & %in% Operator 05:53 Select Only Numeric Columns from Data Frame in R (Example) | Extract Variables with Base R & dplyr 04:34 R Basics: How to Use filter() to Select Rows Based on Column Values 10:25 Converting between data frames and vectors 05:00 Subset Data Frame & Matrix by Row Names in R (Example) | Select & Extract | rownames & %in% Operator 03:25 R Create Data Frame where a Column is a List (Example) | Different Variable Types | data.frame & I() 03:46 Select Last Column of Data Frame in R (2 Examples) | Refer to & Extract Final Variable | ncol & drop 09:02 R Tutorial 06: Extracting Values from Data Frames 03:43 Select Second to Last Columns of Data Frame in R (2 Examples) | Remove & Extract First Variable Name 03:57 select & rename R Functions of dplyr Package (2 Examples) | Extract Column & Change Name of Variable 03:42 Extract Single Column as Data Frame in R (3 Examples) | How to Keep data.frame Class | drop Argument 03:23 How to Refer to Values in a Character Vector in R – Demonstration 02:26 R Convert Named Vector to Data Frame (Example) | Change Array Class | data.frame & as.list Functions 04:03 Convert Data Frame Column to Numeric in R | Example: Change Factor & Character Variable | as.numeric 07:56 Replace Values in Factor Vector or Column in R (Example) | as.character, as.factor & levels Function 03:55 Round Numeric Columns of Data Frame with Character & Factor Variables (R Example) | mutate_if dplyr 03:13 Determine Classes of All Data Frame Columns (example) | Identify Variable Type | sapply, class & str More results