Method getPlot

stats.go:139–181

getPlot generates a histogram visualization for continuous data

()

// getPlot generates a histogram visualization for continuous data
func (s *ContinuousStats) getPlot() string {
	if len(s.data) == 0 {
		return "No data to plot"
	}

	// Create histogram bins
	numBins := 20
	if len(s.data) < 100 {
		numBins = 10
	}
	if len(s.data) < 20 {
		numBins = 5
	}

	// Calculate bin width
	binWidth := (s.max - s.min) / float64(numBins)
	if binWidth == 0 {
		return "All values are identical"
	}

	// Initialize bins
	bins := make([]float64, numBins)

	// Count values in each bin
	for _, v := range s.data {
		binIndex := int((v - s.min) / binWidth)
		if binIndex >= numBins {
			binIndex = numBins - 1
		}
		if binIndex < 0 {
			binIndex = 0
		}
		bins[binIndex]++
	}

	// Generate the plot
	plot := asciigraph.Plot(bins,
		asciigraph.Height(15),
		asciigraph.Width(60),
		asciigraph.Caption("Distribution Histogram"))

	return plot
}

func (s *DiscreteStats) summary(a []string) {
	s.data = a