I am trying to create an application that calculates the sum and average of numbers that are inputted into a text field separated by spaces.   I am stuck on the part where you have to put in a loop to calculate the sum and avg from the spaced inputs....
based on Summarize array of objects and calculate average value for each unique object name I could partially solve my problem. I did group by ed_id but I need to group by ed_id and then el_id and to get average value based on those group by, so here...
I'm trying to calculate the average temperature of one week, but I do not quite know how I would do this. I've tried out some things but the end result would be either 'NaN' or 'Infinity'. Definitely doing something wrong here...
In a line common chart: http://jsfiddle.net/yuKwp/  How can I get the average value of xAxis on selected elements?  In the above example, I can only access to the min and max values of the graph but not the inbetweeen values nor the minimum point sel...
I'm trying to exclude the "0" values from an array to get a better average result.  my array is: [0, 0, 0, 0, 80, 90, 100, 0]   function clacGPA(gradeData) {   var sum, avg = 0;    if (gradeData.length) {     sum = gradeData.reduce(functi...
How do I implement average age with deviation in javascript? I need to make an a Javascript algorithm that:   Request the name and age of 10 people; Print the screen "Average age" of people; Print each person's name and deviation from age...
Say that I've got this array:  testResults = [     {         dateCreated: "2014-07-12",         score: 27.1     },     {         dateCreated: "2014-05-11",         score: 99.3,     },     {         dateCreated: "2014-07-22"...
I literally started trying to teach myself javascript less than 48 hours ago.  Outside of just wanting to learn it I also have a small personal project I'm working on and using as sort of my working learn as I go example.  But I've hit a prob...
I need to calculate the middle point (average) between two real numbers in JavaScript. The range of the numbers can vary widely, generally between 10000 and 0.0001.  The naive approach  (parseFloat(first) + parseFloat(second)) / 2   gives me unwanted...
I have an array e.g. var arr = [2,7,3,8,9,4,9,2,8,7,9,7,3,2,4,5,7,8,2,7,6,1,8];  I want that (I think for-loop is best for this to loop over this) a for-loop loops over the whole array and gets 5 items near eachother in the array and runs a function...

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