Use gsub remove all string before first white space in R

Question

I have a data frame like this:

name         weight
r apple         0.5
y pear          0.4
y cherry        0.1
g watermelon    5.0
pp grape        0.5
y appl         


        

Answer 1

Let's say your data frame is called 'df'

library(reshape2)    
df$name = colsplit(df$name," ", names = c("chuck","name"))[,2]