search for: airquality_mod

Displaying 1 result from an estimated 1 matches for "airquality_mod".

2009 May 26
2
Problem accessing "row number" from subset on a dataframe
...me. For example, I would like to automatically delete some rows from a dataframe if they match a criteria. Here is my example below. data(airquality) names(airquality) subset(airquality, airquality$Month == 6) Now how do I delete the row numbers returned automatically? I know I can type airquality_mod<-airquality[-c(32:60)] However, I would like to check the row information and then use it to delete the stuff out of the dataframe. Thank again for any feedback and insights.