count: Counts elements which meet specified conditions

In Rlab: Functions and Datasets Required for ST370 Class

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] )

Rlab documentation built on May 5, 2022, 1:05 a.m.