1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
'''
Demonstrate usage of BoxplotItem
'''
import numpy as np
import pyqtgraph as pg
np.random.seed(8)
n = 5
data = [np.random.normal(500, 30, 1000) for _ in range(n)]
win = pg.GraphicsLayoutWidget(show=True)
win.setWindowTitle('pyqtgraph example: BoxplotItem')
win.resize(1000, 800)
p1 = win.addPlot(title="1.5IQR whiskers")
bp1 = pg.BoxplotItem()
# `data` must be a 2d array or a list of 1d arraylike
# if your data is 1d, put it into a list first
bp1.setData(data=data, symbolBrush="g")
p1.addItem(bp1)
# user can define their own whisker boundaries
# here is the example uses minimum and maximum value
# as lower and upper whisker boundaries
def min_max_whisker(d):
# `d` is a 1d arraylike
# returns (lower, upper)
return min(d), max(d)
p2 = win.addPlot(title="Use min and max as whiskers")
bp2 = pg.BoxplotItem()
bp2.setData(data=data, symbolBrush="g")
bp2.setWhiskerFunc(min_max_whisker)
p2.addItem(bp2)
win.nextRow()
p3 = win.addPlot(title="Horizontal boxplot")
bp3 = pg.BoxplotItem()
bp3.setData(data=data, locAsX=False, symbol="star", symbolBrush="g")
p3.addItem(bp3)
p4 = win.addPlot(title="Customize box positions")
bp4 = pg.BoxplotItem()
bp4.setData(loc=[i*(i+1)/2 for i in range(n)], data=data, locAsX=False, symbol="star", symbolBrush="g")
p4.addItem(bp4)
if __name__ == '__main__':
pg.exec()
|
