[R] Help me please to code....
ruipbarradas at sapo.pt
Sun Oct 21 21:57:01 CEST 2012
First of all, you should _really_ try to read An Introduction to R, file
R-intro.pdf that comes with every installation of R. The answer to your
question is in chapter 9 Grouping, loops and conditional execution.
It's the very first example:
"9.2.1 Conditional execution: if statements
The language has available a conditional construction of the form
> if (expr_1) expr_2 else expr_3
where expr 1 must evaluate to a single logical value and the result of
the entire expression is
Note the "evident" bit.
if(X == 0) Y <- 5/2 else Y <- 7
or, when you become more familiar with R,
Y <- if(X == 0) 5/2 else 7
But do read the manual.
Hope this helps,
Em 21-10-2012 20:03, Rlotus escreveu:
> User has to type (input) x. After input....code has to check X with
> statement if
> There is a statement IF.
> If X=0 then Y=5/2 else =7;
> How to code it please. I tried but my code does not work ;( I wanna see how
> it looks like( thank u in advance(
> View this message in context: http://r.789695.n4.nabble.com/Help-me-please-to-code-tp4646932.html
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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