Scatter Plot

Produce scatter plot of input data x against y.

Examples

Simple scatter plot

var r : Random = Random(1)
let x = linspace<Float64>(0.0, 3.0 * PI64, num: 200)
let y = x.apply(cos) + rand(r, 200)
scatter(x, y)

Result:

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_1.png :align: center :width: 360

Scatter plot with changing size

var r : Random = Random(1)
let x = linspace<Float64>(0.0, 3.0 * PI64, num: 200)
let y = x.apply(cos) + rand(r, 200)
let c = linspace<Float64>(1.0, 10.0, num: 200)
scatter(x, y, c)

Result:

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_2.png :align: center :width: 360

Scatter plot with fixed size and changing color.

var r : Random = Random(1)
let x = linspace<Float64>(0.0, 3.0 * PI64, num: 200)
let y = x.apply(cos) + rand(r, 200)
let c = linspace<Float64>(1.0, 10.0, num: 200)
scatter(x, y, 6.0, c)

Result:

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_3.png :align: center :width: 360

Scatter plot with fixed size and changing color, each marker is a filled circle.

var r : Random = Random(1)
let x = linspace<Float64>(0.0, 3.0 * PI64, num: 200)
let y = x.apply(cos) + rand(r, 200)
let c = linspace<Float64>(1.0, 10.0, num: 200)
let line = scatter(x, y, 6.0, c)
line.marker_face(true)

Result:

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_4.png :align: center :width: 360

Scatter plot with large diamond-style markers.

var r : Random = Random(1)
let theta = linspace<Float64>(0.0, 2.0 * PI64, num: 150)
let x = theta.apply(sin) + rand(r, 150) * 0.75
let y = theta.apply(cos) + rand(r, 150) * 0.75
let line = scatter(x, y, 23.0)
line.marker(MarkerStyle.Diamond)

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_5.png :align: center :width: 360

Scatter plot with setting of marker color and marker face color.

var r : Random = Random(1)
let theta = linspace<Float64>(0.0, 2.0 * PI64, num: 150)
let x = theta.apply(sin) + rand(r, 150) * 0.75
let y = theta.apply(cos) + rand(r, 150) * 0.75
let line = scatter(x, y, 6.0)
line.marker_color(0.0, 0.5, 0.5)
line.marker_face_color(0.0, 0.7, 0.7)

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_6.png :align: center :width: 360

Scatter plot with tiling.

var r : Random = Random(1)
let x = linspace<Float64>(0.0, 3.0 * PI64, num: 200)
let y = x.apply(cos) + rand(r, 200)

tiledlayout(2, 1)

let ax1 = nexttile()
scatter(ax1, x, y)

let ax2 = nexttile()
let line2 = scatter(ax2, x, y)
line2.marker_face(true)
line2.marker(MarkerStyle.Diamond)

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_7.png :align: center :width: 360

Scatter plot showing a spiral.

let theta = linspace<Float64>(0.0, 1.0, num: 500)
let x = theta.apply({x: Float64 => exp(x) * sin(100.0 * x)})
let y = theta.apply({x: Float64 => exp(x) * cos(100.0 * x)})

let s = scatter(x, y)

s.marker_color("b")
s.marker_face_color(0.0, 0.5, 0.5)

.. image:: ../../../tests/imgs/scatter_plot/scatterPlot_8.png :align: center :width: 360

Methods

=========================== ========================================================= Method Description =========================== ========================================================= scatter 6 methods Draw a scatter plot =========================== =========================================================

Description

.. function:: scatter(x, y)

:param x: Vector<Float64>
:param y: Vector<Float64>
:return: Line

Draw a scatter plot with :math:`y` versus :math:`x`.

.. function:: scatter(x, y, sz)

:param x: Vector<Float64>
:param y: Vector<Float64>
:param sz: Vector<Float64>
:return: Line

Draw a scatter plot with :math:`y` versus :math:`x` with size of every single point.

.. function:: scatter(x, y, sz, color)

:param x: Vector<Float64>
:param y: Vector<Float64>
:param sz: Vector<Float64>
:param color: Vector<Float64>
:return: Line

Draw a scatter plot with :math:`y` versus :math:`x` with size and color of every single point.

.. function:: scatter(x, y, sz)

:param x: Vector<Float64>
:param y: Vector<Float64>
:param sz: Float64
:return: Line

Draw a scatter plot with :math:`y` versus :math:`x` with size of all points.

.. function:: scatter(x, y, sz, color)

:param x: Vector<Float64>
:param y: Vector<Float64>
:param sz: Float64
:param color: Vector<Float64>
:return: Line

Draw a scatter plot with :math:`y` versus :math:`x` with size of all points and color of every point.

.. function:: scatter(axes, x, y)

:param axes: AxesType
:param x: Vector<Float64>
:param y: Vector<Float64>
:return: Line

Draw a scatter plot with :math:`y` versus :math:`x` in the given axes.