private void UpdateDensityChart(DensityChart densityChart, string variable, IList <int> indices = null)
{
if (densityComboBox.SelectedIndex == 0)
{
return;
}
if (indices == null)
{
indices = GetDensityIndices(densityComboBox.SelectedIndex).ToList();
}
var data = Content.ProblemData.Dataset.GetDoubleValues(variable, indices).ToList();
var gradientChart = gradientCharts[variable];
var min = gradientChart.FixedXAxisMin;
var max = gradientChart.FixedXAxisMax;
var buckets = gradientChart.DrawingSteps;
if (min.HasValue && max.HasValue)
{
densityChart.UpdateChart(data, min.Value, max.Value, buckets);
densityChart.Width = gradientChart.Width;
var gcPlotPosition = gradientChart.InnerPlotPosition;
densityChart.Left = (int)(gcPlotPosition.X / 100.0 * gradientChart.Width);
densityChart.Width = (int)(gcPlotPosition.Width / 100.0 * gradientChart.Width);
densityChart.Visible = true;
}
gradientChart.UpdateTitlePosition();
}
private void UpdateDensityChart(DensityChart densityChart, string variable, IList <int> indices = null)
{
if (densityComboBox.SelectedIndex == 0)
{
return;
}
if (indices == null)
{
indices = GetDensityIndices(densityComboBox.SelectedIndex).ToList();
}
if (Content.ProblemData.Dataset.VariableHasType <double>(variable))
{
var data = Content.ProblemData.Dataset.GetDoubleValues(variable, indices).ToList();
var plot = partialDependencePlots[variable] as PartialDependencePlot;
if (plot != null)
{
var min = plot.FixedXAxisMin;
var max = plot.FixedXAxisMax;
var buckets = plot.DrawingSteps;
if (min.HasValue && max.HasValue)
{
densityChart.UpdateChart(data, min.Value, max.Value, buckets);
densityChart.Width = plot.Width;
var gcPlotPosition = plot.InnerPlotPosition;
densityChart.Left = (int)(gcPlotPosition.X / 100.0 * plot.Width);
densityChart.Width = (int)(gcPlotPosition.Width / 100.0 * plot.Width);
densityChart.Visible = true;
}
plot.UpdateTitlePosition();
}
}
else if (Content.ProblemData.Dataset.VariableHasType <string>(variable))
{
var data = Content.ProblemData.Dataset.GetStringValues(variable).ToList();
var plot = partialDependencePlots[variable] as FactorPartialDependencePlot;
if (plot != null)
{
densityChart.UpdateChart(data);
densityChart.Width = plot.Width;
var gcPlotPosition = plot.InnerPlotPosition;
densityChart.Left = (int)(gcPlotPosition.X / 100.0 * plot.Width);
densityChart.Width = (int)(gcPlotPosition.Width / 100.0 * plot.Width);
densityChart.Visible = true;
plot.UpdateTitlePosition();
}
}
}
protected override void OnContentChanged()
{
base.OnContentChanged();
if (Content == null)
{
return;
}
var problemData = Content.ProblemData;
if (sharedFixedVariables != null)
{
sharedFixedVariables.ItemChanged -= SharedFixedVariables_ItemChanged;
sharedFixedVariables.Reset -= SharedFixedVariables_Reset;
}
// Init Y-axis range
double min = double.MaxValue, max = double.MinValue;
var trainingTarget = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, problemData.TrainingIndices);
foreach (var t in trainingTarget)
{
if (t < min)
{
min = t;
}
if (t > max)
{
max = t;
}
}
double range = max - min;
const double scale = 1.0 / 3.0;
double axisMin, axisMax, axisInterval;
ChartUtil.CalculateAxisInterval(min - scale * range, max + scale * range, 5, out axisMin, out axisMax, out axisInterval);
automaticYAxisCheckBox.Checked = false;
limitView.ReadOnly = false;
limitView.Content.Lower = axisMin;
limitView.Content.Upper = axisMax;
// create dataset of problemData input variables and model input variables
// necessary workaround to have the variables in the occuring order
var inputvariables =
new HashSet <string>(Content.ProblemData.AllowedInputVariables.Union(Content.Model.VariablesUsedForPrediction));
var allowedInputVariables =
Content.ProblemData.Dataset.VariableNames.Where(v => inputvariables.Contains(v)).ToList();
var doubleVariables = allowedInputVariables.Where(problemData.Dataset.VariableHasType <double>);
var doubleVariableValues = (IEnumerable <IList>)doubleVariables.Select(x => new List <double> {
problemData.Dataset.GetDoubleValue(x, 0)
});
var factorVariables = allowedInputVariables.Where(problemData.Dataset.VariableHasType <string>);
var factorVariableValues = (IEnumerable <IList>)factorVariables.Select(x => new List <string> {
problemData.Dataset.GetStringValue(x, 0)
});
sharedFixedVariables = new ModifiableDataset(doubleVariables.Concat(factorVariables), doubleVariableValues.Concat(factorVariableValues));
variableValuesModeComboBox.SelectedItem = "Median"; // triggers UpdateVariableValue and changes shardFixedVariables
// create controls
partialDependencePlots.Clear();
densityCharts.Clear();
groupingPanels.Clear();
foreach (var variableName in doubleVariables)
{
var plot = CreatePartialDependencePlot(variableName, sharedFixedVariables);
partialDependencePlots.Add(variableName, plot);
var densityChart = new DensityChart()
{
Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right,
Margin = Padding.Empty,
Height = 12,
Visible = false,
Top = (int)(plot.Height * 0.1),
};
densityCharts.Add(variableName, densityChart);
plot.ZoomChanged += (o, e) => {
var pdp = (PartialDependencePlot)o;
var density = densityCharts[pdp.FreeVariable];
density.Visible = densityComboBox.SelectedIndex != 0 && !pdp.IsZoomed;
if (density.Visible)
{
UpdateDensityChart(density, pdp.FreeVariable);
}
};
plot.SizeChanged += (o, e) => {
var pdp = (PartialDependencePlot)o;
var density = densityCharts[pdp.FreeVariable];
density.Top = (int)(pdp.Height * 0.1);
};
// Initially, the inner plot areas are not initialized for hidden charts (scrollpanel, ...)
// This event handler listens for the paint event once (where everything is already initialized) to do some manual layouting.
plot.ChartPostPaint += OnPartialDependencePlotPostPaint;
var panel = new Panel()
{
Dock = DockStyle.Fill,
Margin = Padding.Empty,
BackColor = Color.White
};
panel.Controls.Add(densityChart);
panel.Controls.Add(plot);
groupingPanels.Add(variableName, panel);
}
foreach (var variableName in factorVariables)
{
var plot = CreateFactorPartialDependencePlot(variableName, sharedFixedVariables);
partialDependencePlots.Add(variableName, plot);
var densityChart = new DensityChart()
{
Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right,
Margin = Padding.Empty,
Height = 12,
Visible = false,
Top = (int)(plot.Height * 0.1),
};
densityCharts.Add(variableName, densityChart);
plot.ZoomChanged += (o, e) => {
var pdp = (FactorPartialDependencePlot)o;
var density = densityCharts[pdp.FreeVariable];
density.Visible = densityComboBox.SelectedIndex != 0 && !pdp.IsZoomed;
if (density.Visible)
{
UpdateDensityChart(density, pdp.FreeVariable);
}
};
plot.SizeChanged += (o, e) => {
var pdp = (FactorPartialDependencePlot)o;
var density = densityCharts[pdp.FreeVariable];
density.Top = (int)(pdp.Height * 0.1);
};
// Initially, the inner plot areas are not initialized for hidden charts (scrollpanel, ...)
// This event handler listens for the paint event once (where everything is already initialized) to do some manual layouting.
plot.ChartPostPaint += OnFactorPartialDependencePlotPostPaint;
var panel = new Panel()
{
Dock = DockStyle.Fill,
Margin = Padding.Empty,
BackColor = Color.White
};
panel.Controls.Add(densityChart);
panel.Controls.Add(plot);
groupingPanels.Add(variableName, panel);
}
// update variable list
variableListView.ItemChecked -= variableListView_ItemChecked;
variableListView.Items.Clear();
foreach (var variable in allowedInputVariables)
{
variableListView.Items.Add(key: variable, text: variable, imageIndex: 0);
}
foreach (var variable in Content.Model.VariablesUsedForPrediction)
{
variableListView.Items[variable].Checked = true;
}
variableListView.ItemChecked += variableListView_ItemChecked;
sharedFixedVariables.ItemChanged += SharedFixedVariables_ItemChanged;
sharedFixedVariables.Reset += SharedFixedVariables_Reset;
rowNrNumericUpDown.Maximum = Content.ProblemData.Dataset.Rows - 1;
RecalculateAndRelayoutCharts();
}
protected override void OnContentChanged()
{
base.OnContentChanged();
if (Content == null)
{
return;
}
var problemData = Content.ProblemData;
// Init Y-axis range
double min = double.MaxValue, max = double.MinValue;
var trainingTarget = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, problemData.TrainingIndices);
foreach (var t in trainingTarget)
{
if (t < min)
{
min = t;
}
if (t > max)
{
max = t;
}
}
double range = max - min;
const double scale = 1.0 / 3.0;
double axisMin, axisMax, axisInterval;
ChartUtil.CalculateAxisInterval(min - scale * range, max + scale * range, 5, out axisMin, out axisMax, out axisInterval);
automaticYAxisCheckBox.Checked = false;
limitView.ReadOnly = false;
limitView.Content.Lower = axisMin;
limitView.Content.Upper = axisMax;
// create dataset
var allowedInputVariables = Content.ProblemData.AllowedInputVariables;
var variableValues = allowedInputVariables.Select(x => new List <double> {
problemData.Dataset.GetDoubleValues(x, problemData.TrainingIndices).Median()
});
var sharedFixedVariables = new ModifiableDataset(allowedInputVariables, variableValues);
// create controls
gradientCharts.Clear();
densityCharts.Clear();
groupingPanels.Clear();
foreach (var variableName in allowedInputVariables)
{
var gradientChart = CreateGradientChart(variableName, sharedFixedVariables);
gradientCharts.Add(variableName, gradientChart);
var densityChart = new DensityChart()
{
Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right,
Margin = Padding.Empty,
Height = 12,
Visible = false,
Top = (int)(gradientChart.Height * 0.1),
};
densityCharts.Add(variableName, densityChart);
gradientChart.ZoomChanged += (o, e) => {
var gradient = (GradientChart)o;
var density = densityCharts[gradient.FreeVariable];
density.Visible = densityComboBox.SelectedIndex != 0 && !gradient.IsZoomed;
if (density.Visible)
{
UpdateDensityChart(density, gradient.FreeVariable);
}
};
gradientChart.SizeChanged += (o, e) => {
var gradient = (GradientChart)o;
var density = densityCharts[gradient.FreeVariable];
density.Top = (int)(gradient.Height * 0.1);
};
// Initially, the inner plot areas are not initialized for hidden charts (scollpanel, ...)
// This event handler listens for the paint event once (where everything is already initialized) to do some manual layouting.
gradientChart.ChartPostPaint += OnGradientChartOnChartPostPaint;
var panel = new Panel()
{
Dock = DockStyle.Fill,
Margin = Padding.Empty,
BackColor = Color.White
};
panel.Controls.Add(densityChart);
panel.Controls.Add(gradientChart);
groupingPanels.Add(variableName, panel);
}
// update variable list
variableListView.ItemChecked -= variableListView_ItemChecked;
variableListView.Items.Clear();
foreach (var variable in allowedInputVariables)
{
variableListView.Items.Add(key: variable, text: variable, imageIndex: 0);
}
foreach (var variable in Content.Model.VariablesUsedForPrediction)
{
variableListView.Items[variable].Checked = true;
}
variableListView.ItemChecked += variableListView_ItemChecked;
RecalculateAndRelayoutCharts();
}
protected override void OnContentChanged() {
base.OnContentChanged();
if (Content == null) return;
var problemData = Content.ProblemData;
// Init Y-axis range
double min = double.MaxValue, max = double.MinValue;
var trainingTarget = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, problemData.TrainingIndices);
foreach (var t in trainingTarget) {
if (t < min) min = t;
if (t > max) max = t;
}
double range = max - min;
const double scale = 1.0 / 3.0;
double axisMin, axisMax, axisInterval;
ChartUtil.CalculateAxisInterval(min - scale * range, max + scale * range, 5, out axisMin, out axisMax, out axisInterval);
automaticYAxisCheckBox.Checked = false;
limitView.ReadOnly = false;
limitView.Content.Lower = axisMin;
limitView.Content.Upper = axisMax;
// create dataset
var allowedInputVariables = Content.ProblemData.AllowedInputVariables;
var variableValues = allowedInputVariables.Select(x => new List<double> { problemData.Dataset.GetDoubleValues(x, problemData.TrainingIndices).Median() });
var sharedFixedVariables = new ModifiableDataset(allowedInputVariables, variableValues);
// create controls
gradientCharts.Clear();
densityCharts.Clear();
groupingPanels.Clear();
foreach (var variableName in allowedInputVariables) {
var gradientChart = CreateGradientChart(variableName, sharedFixedVariables);
gradientCharts.Add(variableName, gradientChart);
var densityChart = new DensityChart() {
Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right,
Margin = Padding.Empty,
Height = 12,
Visible = false,
Top = (int)(gradientChart.Height * 0.1),
};
densityCharts.Add(variableName, densityChart);
gradientChart.ZoomChanged += (o, e) => {
var gradient = (GradientChart)o;
var density = densityCharts[gradient.FreeVariable];
density.Visible = densityComboBox.SelectedIndex != 0 && !gradient.IsZoomed;
if (density.Visible)
UpdateDensityChart(density, gradient.FreeVariable);
};
gradientChart.SizeChanged += (o, e) => {
var gradient = (GradientChart)o;
var density = densityCharts[gradient.FreeVariable];
density.Top = (int)(gradient.Height * 0.1);
};
// Initially, the inner plot areas are not initialized for hidden charts (scollpanel, ...)
// This event handler listens for the paint event once (where everything is already initialized) to do some manual layouting.
gradientChart.ChartPostPaint += OnGradientChartOnChartPostPaint;
var panel = new Panel() {
Dock = DockStyle.Fill,
Margin = Padding.Empty,
BackColor = Color.White
};
panel.Controls.Add(densityChart);
panel.Controls.Add(gradientChart);
groupingPanels.Add(variableName, panel);
}
// update variable list
variableListView.ItemChecked -= variableListView_ItemChecked;
variableListView.Items.Clear();
foreach (var variable in allowedInputVariables)
variableListView.Items.Add(key: variable, text: variable, imageIndex: 0);
foreach (var variable in Content.Model.VariablesUsedForPrediction)
variableListView.Items[variable].Checked = true;
variableListView.ItemChecked += variableListView_ItemChecked;
RecalculateAndRelayoutCharts();
}
private void UpdateDensityChart(DensityChart densityChart, string variable, IList<int> indices = null) {
if (densityComboBox.SelectedIndex == 0)
return;
if (indices == null) {
indices = GetDensityIndices(densityComboBox.SelectedIndex).ToList();
}
var data = Content.ProblemData.Dataset.GetDoubleValues(variable, indices).ToList();
var gradientChart = gradientCharts[variable];
var min = gradientChart.FixedXAxisMin;
var max = gradientChart.FixedXAxisMax;
var buckets = gradientChart.DrawingSteps;
if (min.HasValue && max.HasValue) {
densityChart.UpdateChart(data, min.Value, max.Value, buckets);
densityChart.Width = gradientChart.Width;
var gcPlotPosition = gradientChart.InnerPlotPosition;
densityChart.Left = (int)(gcPlotPosition.X / 100.0 * gradientChart.Width);
densityChart.Width = (int)(gcPlotPosition.Width / 100.0 * gradientChart.Width);
densityChart.Visible = true;
}
gradientChart.UpdateTitlePosition();
}
