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Conditionally incrementing a loop counter

Nordlund, Dan (DSHS/RDA) 
Mike,

A question about R from SAS Mecca ??? :-)

I would use Peter Dalgaard's suggestion of a 'while' type loop along with the 'next' loop control, something like this

i <- 1
iter_number <- 0
while(i<=10){
   iter_number <- iter_number + 1
   x <- runif(1)
   if (x > 0.7) next
   cat(iter_number, i, x, "\n")
   i <- i+1
}

Where iter_number allows you to print out loop number each time the condition is met (for instructional purposes only).  When the if condition is met, the next  construct skips back to the top of the while loop without executing the rest of the statements.

Hope this is helpful,

Dan

Daniel J. Nordlund
Research and Data Analysis
Washington State Department of Social and Health Services
Olympia, WA  98504-5204

Thread (10 messages)

Mike Jones Conditionally incrementing a loop counter Dec 27 Bert Gunter Conditionally incrementing a loop counter Dec 27 Mike Jones Conditionally incrementing a loop counter: Take 2 Dec 27 Peter Dalgaard Conditionally incrementing a loop counter Dec 27 Peter Dalgaard Conditionally incrementing a loop counter: Take 2 Dec 27 Mike Jones Conditionally incrementing a loop counter: Take 2 Dec 27 John Fox Conditionally incrementing a loop counter: Take 2 Dec 27 Nordlund, Dan (DSHS/RDA) Conditionally incrementing a loop counter Dec 27 Peter Dalgaard Conditionally incrementing a loop counter: Take 2 Dec 27 Jim Lemon Conditionally incrementing a loop counter: Take 2 Dec 28