SmileHistogram.java

package com.github.lwhite1.tablesaw.plotting.smile;

import com.github.lwhite1.tablesaw.api.NumericColumn;
import smile.plot.PlotCanvas;

import javax.swing.*;
import java.awt.*;

import static com.github.lwhite1.tablesaw.plotting.smile.SmilePlotUtils.getjFrame;

/**
 * Simple API for producing basic histogram plots directly from Tablesaw tables and columns
 */
public class SmileHistogram {


    public static PlotCanvas create(String plotTitle, String xTitle, String yTitle, NumericColumn column) {
        PlotCanvas canvas = smile.plot.Histogram.plot(column.toDoubleArray());
        canvas.setForeground(Color.DARK_GRAY);
        canvas.setTitle(plotTitle);
        canvas.setAxisLabel(0, xTitle);
        canvas.setAxisLabel(1, yTitle);
        return canvas;
    }

    public static PlotCanvas create(double[] x, String yTitle) {
        PlotCanvas canvas = smile.plot.Histogram.plot(x);
        return canvas;
    }

    public static void show(double[] x) {
        JFrame frame = getjFrame(600, 400);
        String yTitle = "proportion";
        PlotCanvas canvas = create(x, yTitle);
        canvas.setAxisLabel(1, yTitle);
        frame.add(canvas);
        frame.setVisible(true);
    }

    public static void show(String plotTitle, NumericColumn column) {
        JFrame frame = getjFrame(600, 400);
        PlotCanvas canvas = create(plotTitle, column.name(), "proportion", column);
        frame.add(canvas);
        frame.setVisible(true);
    }

    public static void show(NumericColumn column) {
        JFrame frame = getjFrame(600, 400);
        PlotCanvas canvas = create("", column.name(), "proportion", column);
        frame.add(canvas);
        frame.setVisible(true);
    }
}