함수 average()

AVERAGE()
avg
mean()

1 Excel

=AVERAGE(1,2,3,4,5)
// 3

2 PHP

$arr = array(1, 2, 3, 4, 5);
$avg = array_sum($arr) / count($arr);
echo $avg;

3 Python

NumPy mean() 문서를 참고하십시오.

NumPy

import numpy as np
a = np.array([1,2,3,4,5])
print( a.mean() )
# 1.75

4 Perl

모듈을 사용할 경우

use Math::NumberCruncher;
my @array = (1, 2, 3, 4, 5);
print Math::NumberCruncher::Mean(\@array);

모듈을 사용하지 않을 경우

sub average {
	my @array = @_;
	my $sum;
	foreach (@array) { $sum += $_; }
	return $sum/@array;
}
my @dataArray = (1, 2, 3, 4, 5);
print average(@dataArray);

5 R

R mean() 문서를 참고하십시오.

x <- c(1,2,3,4,5)
print( mean(x) )
# 3

6 같이 보기