> x playerID yearID stint teamID lgID G AB R H 2B 3B HR RBI SB CS BB 1 robleos01 2005 1 LAN NL 110 364 44 99 18 1 5 34 0 8 31 2 iguchta01 2005 1 CHA AL 135 511 74 142 25 6 15 71 15 5 47 3 molinya01 2005 1 SLN NL 114 385 36 97 15 1 8 49 2 3 23 > x[["H]]
+ > x[["H"]] [1] 99 142 97 > x[["2B"]] [1] 18 25 15 > On 2/23/06, Christopher Swingley <[EMAIL PROTECTED]> wrote: > > Greetings! > > I'm have a hard time working with some data I imported from a baseball > database. Several of the database columns have numbers in them (2B, > 3B), and when I try to use these vectors from the data frame, I get > syntax errors, probably because it's interpreting the name as a number: > > > show(batting2005) > playerID yearID stint teamID lgID G AB R H 2B 3B HR RBI SB CS BB > > 1 robleos01 2005 1 LAN NL 110 364 44 99 18 1 5 > 34 0 8 31 > 2 iguchta01 2005 1 CHA AL 135 511 74 142 25 6 15 71 > 15 5 47 > 3 molinya01 2005 1 SLN NL 114 385 36 97 15 1 8 > 49 2 3 23 > . . . > > print(batting2005$HR) > [1] 5 15 8 3 14 3 6 21 8 7 9 27 12 5 14 8 28 9 22 15 5 > 22 9 10 1 > . . . > > print(batting2005$2B) > Error: syntax error in "print(batting2005$2" > > > SLG<-(H + 2B + 3B * 2 + HR * 3) / AB; > Error: syntax error in "SLG<-(H + 2B" # batting2005 is attached > > > SLG<-(H + "2B" + "3B" * 2 + HR * 3) / AB; > Error in H + "2B" : non-numeric argument to binary operator > > Is there a way to "escape" the '2B' somehow or encapsulate it so that R > knows I'm talking about that particular numeric vector? > > Thanks, > > Chris > -- > Christopher S. Swingley email: [EMAIL PROTECTED] > Intl. Arctic Research Center > University of Alaska Fairbanks www.frontier.iarc.uaf.edu/~cswingle/ > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What the problem you are trying to solve? [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
