public void ProcessRawValues()
{
var itemsByCategory = new Dictionary <double, IList <double> >();
foreach (var i in RawItems)
{
if (!itemsByCategory.ContainsKey(i.X))
{
itemsByCategory.Add(i.X, new List <double>());
}
itemsByCategory[i.X].Add(i.Value);
}
foreach (var entry in itemsByCategory)
{
var values = entry.Value as List <double>;
values.Sort();
var summary = new SummaryOfDataSet(values);
var outliers = values.Where((x) => { return(x < summary.LowerWhisker || summary.UpperWhisker < x); }).ToList <double>();
var oxyItem = new OxyPlot.Series.BoxPlotItem(
entry.Key, summary.LowerWhisker, summary.LowerQuartile, summary.Median, summary.UpperQuartile, summary.UpperWhisker);
oxyItem.Outliers = outliers;
base.Items.Add(oxyItem);
}
RawItems.Clear();
}
public void TestLength7()
{
var data = new List <double>()
{
1, 2, 3, 4, 5, 6, 7
};
var summary = new SummaryOfDataSet(data);
Assert.AreEqual(1, summary.Minimum);
Assert.AreEqual(2.5, summary.LowerQuartile);
Assert.AreEqual(4, summary.Median);
Assert.AreEqual(5.5, summary.UpperQuartile);
Assert.AreEqual(7, summary.Maximum);
}
public void TestWikipedia1()
{
// Source: https://en.wikipedia.org/wiki/Quartile
// Example 1
var data = new List <double>()
{
6, 7, 15, 36, 39, 40, 41, 42, 43, 47, 49
};
var summary = new SummaryOfDataSet(data);
Assert.AreEqual(6, summary.Minimum);
Assert.AreEqual(25.5, summary.LowerQuartile);
Assert.AreEqual(40, summary.Median);
Assert.AreEqual(42.5, summary.UpperQuartile);
Assert.AreEqual(49, summary.Maximum);
}
public void TestWikipedia2()
{
// Source: https://en.wikipedia.org/wiki/Quartile
// Example 2
var data = new List <double>()
{
7, 15, 36, 39, 40, 41
};
var summary = new SummaryOfDataSet(data);
Assert.AreEqual(7, summary.Minimum);
Assert.AreEqual(15, summary.LowerQuartile);
Assert.AreEqual(37.5, summary.Median);
Assert.AreEqual(40, summary.UpperQuartile);
Assert.AreEqual(41, summary.Maximum);
}
public void TestIris()
{
// > boxplot.stats(subset(iris, Species == 'versicolor')$Petal.Length)
// $stats
// [1] 3.30 4.00 4.35 4.60 5.10
// iris versicolor Petal.Length
var data = new double[] { 4.7, 4.5, 4.9, 4, 4.6, 4.5, 4.7, 3.3, 4.6, 3.9, 3.5, 4.2, 4, 4.7, 3.6, 4.4, 4.5, 4.1, 4.5, 3.9, 4.8, 4, 4.9, 4.7, 4.3, 4.4, 4.8, 5, 4.5, 3.5, 3.8, 3.7, 3.9, 5.1, 4.5, 4.5, 4.7, 4.4, 4.1, 4, 4.4, 4.6, 4, 3.3, 4.2, 4.2, 4.2, 4.3, 3, 4.1 };
Array.Sort(data);
var summary = new SummaryOfDataSet(data);
Assert.AreEqual(3.00, summary.Minimum);
Assert.AreEqual(3.30, summary.LowerWhisker);
Assert.AreEqual(4.00, summary.LowerQuartile);
Assert.AreEqual(4.35, summary.Median);
Assert.AreEqual(4.60, summary.UpperQuartile);
Assert.AreEqual(5.10, summary.UpperWhisker);
Assert.AreEqual(5.10, summary.Maximum);
}
