111 lines
3.3 KiB
JavaScript
111 lines
3.3 KiB
JavaScript
document.getElementById("main-title").innerText = "Los Statisticos (sans loop)";
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function isNumber(str) {
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return str !== "" && !isNaN(str);
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}
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function countNumberOfNumericValues(value1, value2, value3, value4){
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let ret = 0;
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if(isNumber(value1)){
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ret = ret + 1;
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}
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if(isNumber(value2)){
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ret = ret + 1;
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}
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if(isNumber(value3)){
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ret = ret + 1;
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}
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if(isNumber(value4)){
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ret = ret + 1;
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}
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return ret;
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}
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function sumSquareOfNumberOfNumericValues(value1, value2, value3, value4){
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let ret = 0;
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if(isNumber(value1)){
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ret = ret + parseFloat(value1) * parseFloat(value1);
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}
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if(isNumber(value2)){
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ret = ret + parseFloat(value2) * parseFloat(value2);
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}
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if(isNumber(value3)){
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ret = ret + + parseFloat(value3) * parseFloat(value3);
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}
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if(isNumber(value4)){
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ret = ret + + parseFloat(value4) * parseFloat(value4);
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}
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return ret;
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}
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function sumNumberOfNumericValues(value1, value2, value3, value4) {
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let ret = 0;
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if(isNumber(value1)){
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ret = ret + parseFloat(value1);
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}
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if(isNumber(value2)){
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ret = ret + parseFloat(value2);
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}
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if(isNumber(value3)){
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ret = ret + + parseFloat(value3);
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}
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if(isNumber(value4)){
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ret = ret + + parseFloat(value4);
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}
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return ret;
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}
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function averageNumericValues(value1, value2, value3, value4) {
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let n = countNumberOfNumericValues(value1, value2, value3, value4);
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let sum = sumNumberOfNumericValues(value1, value2, value3, value4);
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return sum / n;
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}
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function averageSquareOfNumericValues(value1, value2, value3, value4) {
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let n = countNumberOfNumericValues(value1, value2, value3, value4);
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let sumOfSquare = sumSquareOfNumberOfNumericValues(value1, value2, value3, value4);
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return sumOfSquare / n;
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}
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function standardDeviationOfNumericValues(value1, value2, value3, value4) {
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let avg = averageNumericValues(value1, value2, value3, value4);
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let avgOfTheSquare = averageSquareOfNumericValues(value1, value2, value3, value4);
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return Math.sqrt(avgOfTheSquare - avg * avg);
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}
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function exo1b() {
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let input1 = document.getElementById("input-1").value;
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let input2 = document.getElementById("input-2").value;
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let input3 = document.getElementById("input-3").value;
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let input4 = document.getElementById("input-4").value;
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let numericValuesInInputBoxes = countNumberOfNumericValues(input1, input2, input3, input4);
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document.getElementById("result-box-1").innerText = numericValuesInInputBoxes;
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}
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function exo1c() {
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let input1 = document.getElementById("input-1").value;
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let input2 = document.getElementById("input-2").value;
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let input3 = document.getElementById("input-3").value;
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let input4 = document.getElementById("input-4").value;
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let avg = averageNumericValues(input1, input2, input3, input4);
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document.getElementById("result-box-2").innerText = avg;
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}
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function exo1d() {
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let input1 = document.getElementById("input-1").value;
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let input2 = document.getElementById("input-2").value;
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let input3 = document.getElementById("input-3").value;
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let input4 = document.getElementById("input-4").value;
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let standardDeviation = standardDeviationOfNumericValues(input1, input2, input3, input4);
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document.getElementById("result-box-3").innerText = standardDeviation;
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}
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