hi have a question about merging.
helloR wrote:
this is the problem: load this R data frame over the internet and save it to your hard drive. http://rss.acs.unt.edu/Rdoc/library/twang/data/racepro ling.RData ... please show how to save a dataset of males only (the variable male=1) to a new dataframe. Then do the now to merge: ..
Interesting homework.
helloR wrote:
I tried >merge(newr,news)
In R-world, other than in c, you have to assign the result to change it. Something like realynew <- merge(....) could help. Dieter
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