coord_fixed

coord_fixed(ratio=1.0, xlim=None, ylim=None, flip=False)

A fixed scale coordinate system forces a specified ratio between the physical representations of data units on the axes.

Parameters:

ratiofloat

The ratio represents the number of units on the y-axis equivalent to one unit on the x-axis. ratio = 1, ensures that one unit on the x-axis is the same length as one unit on the y-axis. Ratios higher than one make units on the y-axis longer than units on the x-axis, and vice versa.

xlimlist

Limits (2 elements) for the x axis. 1st element defines lower limit, 2nd element defines upper limit. None means no lower / upper bound - depending on the index in list.

ylimlist

Limits (2 elements) for the y axis. 1st element defines lower limit, 2nd element defines upper limit. None means no lower / upper bound - depending on the index in list.

flipbool

Flip the coordinate system axis so that horizontal axis becomes vertical and vice versa.

Returns:

FeatureSpec

Coordinate system specification.

Examples

import numpy as np
from lets_plot import *
LetsPlot.setup_html()
n = 30
np.random.seed(42)
x = np.random.uniform(-1, 1, size=n)
y = 25 * x ** 2 + np.random.normal(size=n)
ggplot({'x': x, 'y': y}, aes(x='x', y='y')) + \
    geom_point() + coord_fixed(ratio=.2, ylim=(7, 20))