Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP stats_kurtosis() Function.
The built-in PHP stats_kurtosis() function is used to compute the kurtosis of the data in the array.
The built-in PHP stats_kurtosis() function is used to compute the kurtosis of the data in the array.
Syntax
Following below is the syntax to use this function -
float stats_kurtosis( array $a )
Parameter Details
Sr.No | Parameter | Description |
---|---|---|
1 | a | The input array |
Return Value
This function returns the kurtosis of values in a or false if a is empty or not an array.
Dependencies
This built-in function was first introduced in statistics extension (PHP version 4.0.0 and PEAR v1.4.0). In this tutorial guide, we used the latest release of stats-2.0.3 (PHP v7.0.0 or newer and PEAR version 1.4.0 or newer).
Example1
The following example below computes the kurtosis array -
<?php var_dump(sprintf("%2.9f", stats_kurtosis(array(1,3,5,7)))); } ?>
Output
When the above code is executed, it will produce the following result -
string(12) "-1.360000000"
Example2
Following example below is an error case, in the below example, we passed an empty array. A warning is shown in logs -
<?php // error cases var_dump(stats_kurtosis(array())); ?>
Output
The above code will produce the following result and a warning in logs PHP Warning: stats_kurtosis(): The array has 0 elements
bool(false)
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the stats_rand_gen_beta() Function.
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Thanks for reading and bye for now.