count {Rlab} | R Documentation |
Counts elements which meet specified conditions
Description
Count the number of times the values in the vector meet the specified conditions.
Usage
count(x)
Arguments
x |
Vector and condition to count. |
See Also
length, nchar
Examples
set.seed(1)
x <- rnorm(100)
# Count the number of times the values in x are greater then 0
count( x>0 )
# Count the number of times the values in x are within the 95% confidence interval
count( (x>-1.96) & (x<1.96) )
# Or could have used
count( abs(x)<1.96 )
# Count the number of times the values in x are the same as the first element
count( x==x[1] )
[Package Rlab version 4.0 Index]