我想对带有seaborn的群集地图的图形输出有所帮助。
在我的数据中，我缺少转换为0的数据。
我希望白色的值等于0，其余部分为调色板。
有没有办法在cmap中指示它？
import pandas as pd
from random import randint
import seaborn as sns
import matplotlib.pyplot as plt
df = pd.DataFrame({'A': [randint(1, 10) for x in xrange(10)]+[randint(30, 50) for x in xrange(5)]+[randint(70, 100) for x in xrange(5)],
'B': [randint(0, 2) for x in xrange(10)]+[randint(30, 50) for x in xrange(5)]+[randint(70, 100) for x in xrange(5)],
'C': [randint(0, 10) for x in xrange(10)]+[randint(30, 50) for x in xrange(5)]+[randint(60, 100) for x in xrange(5)],
'D': [randint(0, 40) for x in xrange(10)]+[randint(30, …