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How to find the lowest, highest and average values in a listbox


How to find the lowest, highest and average values in a listbox

By : Kapitan Jack
Date : November 18 2020, 03:01 PM
fixed the issue. Will look into that further After reading the string elements of your file you need to convert them to decimal values. At that point you can use the built in methods of the IEnumerable extensions to get your data
code :
OpenFileDialog Open = new OpenFileDialog();
if(Open.ShowDialog() == DialogResult.OK)
{
        readListbox.Text = Open.FileName;
        string[] lines = System.IO.File.ReadAllLines(Open.FileName);

        decimal[] values = lines.Select(x => decimal.Parse(x)).ToArray();
        labelHigh.Text = values.Max().ToString();
        labelMin.Text = values.Min().ToString();
        labelAvg.Text = values.Average().ToString();        

        readListbox.Items.AddRange(lines);
 }


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Calculating average without highest and lowest values in an array

Calculating average without highest and lowest values in an array


By : user3734521
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I don't understand why you need to remove the high and low value from the array to get the average? The average should be the sum of all values divided by the total number of values:
code :
double sum = 0;
for (int index=0; index < contestantOne.length; index++)
{
    //If you really need to remove highest and lowest value
    if (contestantOne[index] != contestantOneLow && contestantOne[index] != contestantOneHigh)
        sum += contestantOne[i];
}
double avg = sum / (double)(contestantOne.length - 2);
Find highest,lowest and average in a loop

Find highest,lowest and average in a loop


By : cicero
Date : March 29 2020, 07:55 AM
may help you . Your highest and lowest variables both start at 0. So if your numbers are all negative, you'll get a highest of 0, incorrectly. If your numbers are all positive, you'll get a lowest of 0, incorrectly.
Just start off with highest = Integer.MIN_VALUE and lowest = Integer.MAX_VALUE and then the first iteration will end up with the correct highest and lowest value.
Sort a dictionary by average values highest to lowest

Sort a dictionary by average values highest to lowest


By : Michel
Date : March 29 2020, 07:55 AM
this one helps. Dictionaries cannot be sorted. Once you have added the scores to your dictionary, you then need to take them out of the dictionary again to sort them.
Try something like:
code :
sorted([(k,sum(v)/len(v)) for k,v in player_scores.items()], key=lambda x: x[1], reverse=True)
How do i get the Average, Highest and Lowest of values from a listbox and then display it on a textbox

How do i get the Average, Highest and Lowest of values from a listbox and then display it on a textbox


By : Tycho
Date : March 29 2020, 07:55 AM
To fix the issue you can do I have the following code, how can I get the values from the items in the listbox and get my program to find the average, highest and lowest of the values. I currently have the following textboxes (averageTextbox, highestTextbox, lowestTextbox) and I wish to display the values accordingly into the textboxes. in Advance!
code :
double lowest = Double.MaxValue;
double highest = Double.MinValue;
double average = 0;

while ((line = file.ReadLine()) != null)
{
    displayListBox.Items.Add(line);

    var dbl = Convert.ToDouble(line);

    if (dbl > highest)
        highest = dbl;

    if (dbl < lowest)
        lowest = dbl;

    dblAdd += dbl;

    counter++;
}

if (counter > 0)
{
    average = dblAdd / (double)counter;
}
else
{
    highest = lowest = 0;
}
How do I get inputs from a user and find the highest, lowest, and average of them?

How do I get inputs from a user and find the highest, lowest, and average of them?


By : Kay Haigh
Date : March 29 2020, 07:55 AM
should help you out Fix the code by instantiating an array, jobIncomes with the length equivalent to the number of jobs. You could keep a running average, but you would lose precision when rounding. You will also need to instantiate three integer variables: total, max and min, each at zero.
For every iteration of the loop, you should add the following code:
code :
jobIncomes[i-1]=s.nextInt();
if (jobIncomes[i-1]<min)
{ min=jobIncomes[i-1];}
if (jobIncomes[i-1]>max
{max=jobIncomes[i-1];}
total+=jobIncomes[i-1];
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