count: Counts elements which meet specified conditions
In Rlab: Functions and Datasets Required for ST370 class

Description Usage Arguments See Also Examples

Count the number of times the values in the vector meet the specified conditions.

count(x)

`x`	Vector and condition to count.

length, nchar

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] )