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scrit
2008 Jul 11
2
Help with error in "if then" statement
...by
empirical data points while (i.e. using a while loop) the angle being
measured is within certain bounds. Because the curve is circular I
need to pars the data into basically an "upper" curve and "lower"
curve. I tried to do this with an if statement, specifically:
ycrit<-subset(data,subset=data$x==min(data$x)
y.max<-length*sin(angle)+y.ref #length, angle and y.ref are given
if(y.max<ycrit){
........
}
Now the problem: The while loop works for 4 iterations, until I get
the error message:
"Error in if (y.max < ycrit) { : missing value where TRU...