How to Convert a Character to Numeric in R | String Vector & Data Frame Column | as.numeric Function

How to converst a character vector to numeric in R in the R programming language. More details: https://statisticsglobe.com/convert-character-to-numeric-in-r/ R code of this video: vec ＜- as.character(c(5, 3, 6, 3, 6, 6, 5)) # Create example vector vec class(vec) # Class of example vector vec_num ＜- as.numeric(vec) # Apply as.numeric() vec_num class(vec_num) # Class of new vector data ＜- data.frame(x1 = as.character(c(4, 4, 4, 2, 3, 2)), # Create example data frame x2 = 6:1, x3 = as.character(1:6)) data sapply(data, class) # Classes of columns data_new1 ＜- data # Convert one column to numeric data_new1$x1 ＜- as.numeric(data_new1$x1) data_new1 sapply(data_new1, class) # Updated classes data_new2 ＜- data # Change all character columns char_columns ＜- sapply(data_new2, class) == "character" data_new2[ , char_columns] ＜- sapply(data_new2[ , char_columns], as.numeric) data_new2 sapply(data_new2, class) # Updated classes Follow me on Social Media: Facebook – Statistics Globe Page: https://www.facebook.com/statisticsglobecom/ Facebook – R Programming Group for Discussions & Questions: https://www.facebook.com/groups/statisticsglobe Facebook – Python Programming Group for Discussions & Questions: https://www.facebook.com/groups/statisticsglobepython LinkedIn – Statistics Globe Page: https://www.linkedin.com/company/statisticsglobe/ LinkedIn – R Programming Group for Discussions & Questions: https://www.linkedin.com/groups/12555223/ LinkedIn – Python Programming Group for Discussions & Questions: https://www.linkedin.com/groups/12673534/ Twitter: https://twitter.com/JoachimSchork Music by bensound.com