Note
Click here to download the full example code
HistogramΒΆ
The pygmt.Figure.histogram
method can plot regular histograms.
Using the series
parameter allows to set the interval for the width of
each bar. The type of histogram (frequency count or percentage) can be
selected via the histtype
parameter.
Out:
<IPython.core.display.Image object>
import numpy as np
import pygmt
np.random.seed(100)
# generate random elevation data from a normal distribution
mean = 100 # mean of distribution
stddev = 25 # standard deviation of distribution
data = mean + stddev * np.random.randn(521)
fig = pygmt.Figure()
fig.histogram(
table=data,
# define the frame, add title and set background color to
# lightgray, add annotations for x and y axis
frame=['WSne+t"Histogram"+glightgray', 'x+l"Elevation (m)"', 'y+l"Counts"'],
# generate evenly spaced bins by increments of 5
series=5,
# use red3 as color fill for the bars
fill="red3",
# use a pen size of 1p to draw the outlines
pen="1p",
# choose histogram type 0 = counts [default]
histtype=0,
)
fig.show()
Total running time of the script: ( 0 minutes 1.226 seconds)