使用Javascript规范化数据

问题描述

我有多个大小为262144的数组，并且尝试使用以下代码将每个数组的所有值设置为0到1(含0和1)之间.需要明确的是，每个数组的归一化方式都不同，因为每个数组都有不同的值.

I have multiple arrays of size 262144, and I am trying to use the following code to set all the values of each array to between 0 and 1, inclusive. To be clear, each array will be normalized differently because each has different values.

var i;
var max = Number.MIN_VALUE;
var min = Number.MAX_VALUE;
for (i = 0; i < array.length; i++) {
    if(array[i]>max) {
        max = array[i];
    }
}

for (i = 0; i < array.length; i++){
    if(array[i]<min) {
        min = array[i];
    }
}

for (i = 0; i < array.length; i++) {
    var norm = (array[i]-min)/(max-min);
    array[i] = norm;
}

但是，我知道它没有正确执行此操作，因为当我执行以下代码时，登录到控制台的数字通常大于1.

However, I know that it's not doing this correctly because when I do the following code, the numbers logged to the console are often above 1.

max = Number.MIN_VALUE;
min = Number.MAX_VALUE;
for (i = 0; i < array.length; i++) {
    if(array[i]>max) {
        max = array[i];
    }
}

for (i = 0; i < array.length; i++) {
    if(array[i]<min) {
        min = array[i];
    }
}

console.log(max);
console.log(min);

我做错了什么?谢谢！

推荐答案

由于此答案，我找到了解决方案！只是比较数字，因为我没有将它们从字符串转换为浮点数.

I found the solution thanks to this answer! It's simply that the numbers were being compared as I had not converted them from strings to floats.

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