安斯科姆#
使用低级别的bokeh.models API 复现了Anscombe’s Quartet,并在Div
中包含了HTML内容。
详情
- Sampledata:
- Bokeh APIs:
bokeh.layouts.column
,bokeh.layouts.gridplot
,bokeh.models.Plot
,bokeh.models.LinearAxis
- More info:
- Keywords:
列, 网格图
import numpy as np
from bokeh.io import show
from bokeh.layouts import column, gridplot
from bokeh.models import (ColumnDataSource, Div, Grid, Line,
LinearAxis, Plot, Range1d, Scatter)
from bokeh.sampledata.anscombe import data as df
circle_source = ColumnDataSource(data=df)
x = np.linspace(-0.5, 20.5, 10)
y = 3 + 0.5 * x
line_source = ColumnDataSource(data=dict(x=x, y=y))
rng = Range1d(start=-0.5, end=20.5)
def make_plot(title, xname, yname):
plot = Plot(x_range=rng, y_range=rng, width=400, height=400,
background_fill_color='#efefef')
plot.title.text = title
xaxis = LinearAxis(axis_line_color=None)
plot.add_layout(xaxis, 'below')
yaxis = LinearAxis(axis_line_color=None)
plot.add_layout(yaxis, 'left')
plot.add_layout(Grid(dimension=0, ticker=xaxis.ticker))
plot.add_layout(Grid(dimension=1, ticker=yaxis.ticker))
line = Line(x='x', y='y', line_color="#666699", line_width=2)
plot.add_glyph(line_source, line)
circle = Scatter(x=xname, y=yname, size=12, line_color="#cc6633",
fill_color="#cc6633", fill_alpha=0.5)
plot.add_glyph(circle_source, circle)
return plot
#where will this comment show up
I = make_plot('I', 'Ix', 'Iy')
II = make_plot('II', 'IIx', 'IIy')
III = make_plot('III', 'IIIx', 'IIIy')
IV = make_plot('IV', 'IVx', 'IVy')
grid = gridplot([[I, II], [III, IV]], toolbar_location=None)
div = Div(text="""
<h1>Anscombe's Quartet</h1>
<p>Anscombe's Quartet is a collection of four small datasets that have nearly
identical simple descriptive statistics (mean, variance, correlation, and
linear regression lines), yet appear very different when graphed.
</p>
""")
show(column(div, grid, sizing_mode="scale_width"))