I have a 200000 row dataframe that looks like this df =

I am writing a function to classify the "distance to bus stop (d2b)" column into a new column for every 10 meters, expecting:

Code that works (updated):

numpy.ceil(data["d2b (m)"]/10)*10   

CodePudding user response：

This is one way of achieving this:

   import math
   df['class (<= x meters)'] = math.ceil(df[d2b(m)]/10)*10