# Examples of Z-Score Normalization with calculator (DATA-MINING)

Last modified on December 9th, 2018 at 9:18 pm

Examples of Z-Score Normalization with calculator in (DATA-MINING).

First Number:

Second Number:

Third Number:

Fourth Number:

[insert_php] if(isset(\$_POST[‘submit’]))
{
\$a=\$_POST[‘value1’];
\$b=\$_POST[‘value2’];
\$c=\$_POST[‘value3’];
\$d=\$_POST[‘value4’]; //posted user’s values to varriables

\$mean=(\$a+\$b+\$c+\$d)/4;
\$varienceA=(\$a-\$mean);
\$sqrA=\$varienceA*\$varienceA;
\$varienceB=(\$b-\$mean);
\$sqrB=\$varienceB*\$varienceB;
\$varienceC=(\$c-\$mean);
\$sqrC=\$varienceC*\$varienceC;
\$varienceD=(\$d-\$mean);
\$sqrD=\$varienceD*\$varienceD;
\$sum=\$sqrA+\$sqrB+\$sqrC+\$sqrD;
\$finalvarience=\$sum/4;
\$standarddeviation= sqrt(\$finalvarience); //ALL calculations completed

//formula for zero score normalization
\$zscore1=(\$a-\$mean)/\$standarddeviation;
\$zscore2=(\$b-\$mean)/\$standarddeviation;
\$zscore3=(\$c-\$mean)/\$standarddeviation;
\$zscore4=(\$d-\$mean)/\$standarddeviation;
//formula completed

echo ‘

‘;
echo ‘

‘;
echo ‘

‘;
echo “the result is here “;
echo ”;echo “”;echo””;
echo””;echo””;
echo””;
echo””;echo “”;echo “”;echo””;echo””;
echo””;echo””;
echo””;echo “”;echo “”;echo””;
echo””;
echo “”;echo “”;echo””;
echo””;
echo “”;echo “”;echo””;
echo””;
echo “”;echo ‘

DATA YOU ENTEREDAFTER Z-SCORE NORMALIZATIONMEAN CALCULATED FOR DATAVARIANCE CALCULATED FOR DATASTANDARD DEVIATION CALCULATED FOR DATA
” .\$a.”” .\$zscore1.”” .\$mean.”” .\$finalvarience.”” .\$standarddeviation.”
” .\$b.”” .\$zscore2.”
” .\$c.”” .\$zscore3.”
” .\$d.”” .\$zscore4.”

‘;
echo ‘

‘;

}
[/insert_php]

 Pr. Fazal Rehman Shamil Publisher of Internatonal Journal of Software Technology & Science ISSN: 2616- 5325 Instructor, Researcher,SEO expert, Web Master, Article Writer and Poet. Feel free to contact.