[R] combining/deleting rows

Hello List, I'm new to R and have some question on combining (and deleting) rows. I have a dataset that looks like this: msa_id base_sf.2002.2 compltns.2002.2 absorption.2002.2 avrate.2002.2 1 AKRON 27918 0 -1420 19 24 ALBUQU 20469 77 -23 9.2 100 ALLENT 41490 0

[R] Replacing text

Sorry, another newbie question :-( I loaded a data set with 10 rows and 30 columns. The first column is characters for names of car manufacturers: Jeep Nissan Toyota1 Toyota2 Etc. How can I replace "Toyota2" with "Scion"? Thanks again [[alternative HTML