private void Calculate()
{
if (double.TryParse(comparerValueEntry.Text, out double comparer) &&
double.TryParse(meanEntry.Text, out double mean) &&
double.TryParse(deviationEntry.Text, out double deviation))
{
double result = 0;
switch (NormalDistributionMode)
{
case NormalDistributionMode.LessThan:
result = Statistics.NormalDistributionDensity(comparer, deviation, mean);
break;
case NormalDistributionMode.Between:
if (double.TryParse(optionalComparerValueEntry.Text, out double optionalComparer) &&
optionalComparer < comparer)
{
result = Statistics.NormalDistributionDensity(optionalComparer, comparer,
deviation, mean);
}
break;
case NormalDistributionMode.GreaterThan:
result = Statistics.NormalDistributionDensity(comparer, deviation, mean, true);
break;
default:
result = 0;
break;
}
ResultField = result.ToString("P2");
ResultLabel = StringTranslationExtension.Translate("PercentageLabel");
}
}
public StatisticsPage()
{
InitializeComponent();
var context = new StatisticsViewModel();
BindingContext = context;
DefaultCalculatorView defaultCalculator = CreateCalculator <DefaultCalculatorView>();
defaultCalculator.SetBinding(DefaultCalculatorView.SampleProperty, "Sample");
defaultCalculator.SetBinding(DefaultCalculatorView.SampleModeProperty, "SampleMode");
NormalDistributionView normalDistribution = CreateCalculator <NormalDistributionView>();
BinomialView binomial = CreateCalculator <BinomialView>();
PoissonView poisson = CreateCalculator <PoissonView>();
LinearRegressionView linearRegression = CreateCalculator <LinearRegressionView>();
linearRegression.SetBinding(LinearRegressionView.SampleProperty, "Sample");
linearRegression.SetBinding(LinearRegressionView.SampleModeProperty, "SampleMode");
var calculators = new List <CalculatorPickerItem>
{
new CalculatorPickerItem
{
Label = StringTranslationExtension.Translate("BaseCalculatorLabel"),
Calculator = defaultCalculator
},
new CalculatorPickerItem
{
Label = StringTranslationExtension.Translate("NormalDistributionLabel"),
Calculator = normalDistribution
},
new CalculatorPickerItem
{
Label = "Binomial",
Calculator = binomial
},
new CalculatorPickerItem
{
Label = "Poisson",
Calculator = poisson
},
new CalculatorPickerItem
{
Label = StringTranslationExtension.Translate("LinearRegressionLabel"),
Calculator = linearRegression
}
};
CalculatorPicker.ItemsSource = calculators;
CalculatorPicker.SelectedIndex = 0;
}