note 92002 deleted from function.stats-dens-normal by danbrown

Note Submitter: Baptiste Deleplace ---- stats_dens_normal is similar to http://fr.wikipedia.org/wiki/Fonction_gaussienne and can be manually done like this <?php function nlaNormalDens($x,$es,$et){ return exp(-pow(($x-$es),2)/(2*pow($et,2)))/($et*sqrt(2*M_PI)); } // $x the value that you want the density ?> IE <?php $n = -2; while($n < 2){ echo nlaNormalDens($n,0,1)."<br>"; $n = $n + 0.1; } echo "<hr>"; $n = -2; while($n < 2){ echo stats_dens_normal($n,0,1)."<br>"; $n = $n + 0.1; } ?> will give you 0.053990966513188 0.065615814774677 0.078950158300894 0.094049077376887 0.11092083467946 0.12951759566589 0.14972746563574 0.17136859204781 0.19418605498321 0.21785217703255 0.24197072451914 0.26608524989876 0.28969155276148 0.31225393336676 0.3332246028918 0.3520653267643 0.36827014030332 0.38138781546052 0.39104269397546 0.39695254747701 0.39894228040143 0.39695254747701 0.39104269397546 0.38138781546052 0.36827014030332 0.3520653267643 0.3332246028918 0.31225393336676 0.28969155276148 0.26608524989875 0.24197072451914 0.21785217703255 0.19418605498321 0.17136859204781 0.14972746563574 0.12951759566589 0.11092083467946 0.094049077376887 0.078950158300894 0.065615814774676 --------------------------------------------- 0.053990966513188 0.065615814774677 0.078950158300894 0.094049077376887 0.11092083467946 0.12951759566589 0.14972746563574 0.17136859204781 0.19418605498321 0.21785217703255 0.24197072451914 0.26608524989876 0.28969155276148 0.31225393336676 0.3332246028918 0.3520653267643 0.36827014030332 0.38138781546052 0.39104269397546 0.39695254747701 0.39894228040143 0.39695254747701 0.39104269397546 0.38138781546052 0.36827014030332 0.3520653267643 0.3332246028918 0.31225393336676 0.28969155276148 0.26608524989875 0.24197072451914 0.21785217703255 0.19418605498321 0.17136859204781 0.14972746563574 0.12951759566589 0.11092083467946 0.094049077376887 0.078950158300894 0.065615814774676