Adding dep files and dependencies.

vendor/github.com/montanaflynn/stats/outlier.go

@@ -0,0 +1,44 @@
+package stats
+
+// Outliers holds mild and extreme outliers found in data
+type Outliers struct {
+	Mild    Float64Data
+	Extreme Float64Data
+}
+
+// QuartileOutliers finds the mild and extreme outliers
+func QuartileOutliers(input Float64Data) (Outliers, error) {
+	if input.Len() == 0 {
+		return Outliers{}, EmptyInput
+	}
+
+	// Start by sorting a copy of the slice
+	copy := sortedCopy(input)
+
+	// Calculate the quartiles and interquartile range
+	qs, _ := Quartile(copy)
+	iqr, _ := InterQuartileRange(copy)
+
+	// Calculate the lower and upper inner and outer fences
+	lif := qs.Q1 - (1.5 * iqr)
+	uif := qs.Q3 + (1.5 * iqr)
+	lof := qs.Q1 - (3 * iqr)
+	uof := qs.Q3 + (3 * iqr)
+
+	// Find the data points that are outside of the
+	// inner and upper fences and add them to mild
+	// and extreme outlier slices
+	var mild Float64Data
+	var extreme Float64Data
+	for _, v := range copy {
+
+		if v < lof || v > uof {
+			extreme = append(extreme, v)
+		} else if v < lif || v > uif {
+			mild = append(mild, v)
+		}
+	}
+
+	// Wrap them into our struct
+	return Outliers{mild, extreme}, nil
+}