Re: [R] if several expressions (basic question)

2010-08-09 Thread jim holtman
The safe bit is to always use the curly brackets on the 'if' statements to avoid problems. I always do if (..) { statement } On Mon, Aug 9, 2010 at 12:29 PM, Joshua Wiley wrote: > On Mon, Aug 9, 2010 at 9:26 AM, David Winsemius > wrote: >> >> On Aug 9, 2010, at 12:14 PM, Joshua Wil

Re: [R] if several expressions (basic question)

2010-08-09 Thread Dwayne Blind
Thanks to all of you. Dwayne 2010/8/9 David Winsemius > > On Aug 9, 2010, at 12:29 PM, Joshua Wiley wrote: > > On Mon, Aug 9, 2010 at 9:26 AM, David Winsemius >> wrote: >> >>> >>> On Aug 9, 2010, at 12:14 PM, Joshua Wiley wrote: >>> >>> On Mon, Aug 9, 2010 at 8:51 AM, Dwayne Blind wrote:

Re: [R] if several expressions (basic question)

2010-08-09 Thread David Winsemius
On Aug 9, 2010, at 12:29 PM, Joshua Wiley wrote: On Mon, Aug 9, 2010 at 9:26 AM, David Winsemius > wrote: On Aug 9, 2010, at 12:14 PM, Joshua Wiley wrote: On Mon, Aug 9, 2010 at 8:51 AM, Dwayne Blind wrote: Dear R users, I have a basic question. In an "if statement", when several expre

Re: [R] if several expressions (basic question)

2010-08-09 Thread Joshua Wiley
On Mon, Aug 9, 2010 at 9:26 AM, David Winsemius wrote: > > On Aug 9, 2010, at 12:14 PM, Joshua Wiley wrote: > >> On Mon, Aug 9, 2010 at 8:51 AM, Dwayne Blind >> wrote: >>> >>> Dear R users, >>> >>> I have a basic question. In an "if statement", when several expressions >>> have >>> to be evaluate

Re: [R] if several expressions (basic question)

2010-08-09 Thread David Winsemius
On Aug 9, 2010, at 12:14 PM, Joshua Wiley wrote: On Mon, Aug 9, 2010 at 8:51 AM, Dwayne Blind wrote: Dear R users, I have a basic question. In an "if statement", when several expressions have to be evaluated, they must be put inside curly braces, right ? Yes. if(1 > 2) {print("hello")

Re: [R] if several expressions (basic question)

2010-08-09 Thread Joshua Wiley
On Mon, Aug 9, 2010 at 8:51 AM, Dwayne Blind wrote: > Dear R users, > > I have a basic question. In an "if statement", when several expressions have > to be evaluated, they must be put inside curly braces, right ? Yes. if(1 > 2) {print("hello"); print("world")} if(4 > 2) {print("hello"); print("

[R] if several expressions (basic question)

2010-08-09 Thread Dwayne Blind
Dear R users, I have a basic question. In an "if statement", when several expressions have to be evaluated, they must be put inside curly braces, right ? For example : if (x>2) { y=3 z=2 } Thank you very much, Dwayne [[alternative HTML version deleted]]