PHP stat_var Examples

Example #1

File: stats_module.php Project: jimmyc815/algo

function stat_beta($data1, $data2)
{
    return stat_cov($data1, $data2) / stat_var($data1);
}

Example #2

File: stat_functions.php Project: zachmueller/charts

function stat_stdev($data)
{
    // calculates sample standard deviation
    return sqrt(stat_var($data));
}