我正在绘制 aSeaborn heatmap
并且我想将y-axis
刻度标签居中,但找不到方法来做到这一点。'va'
text 属性似乎在 上不可用yticks()
。
考虑下图
我想将一周中的几天与一排方块的中心对齐
生成此图的代码:
import pandas as pd
import seaborn as sns
import numpy as np
import matplotlib.pyplot as plt
#Generate dummy data
startDate = '2017-11-25'
dateList = pd.date_range(startDate, periods=365).tolist()
df = pd.DataFrame({'Date': dateList,
'Distance': np.random.normal(loc=15, scale=15, size=(365,))
})
#set week and day
df['Week'] = [x.isocalendar()[1] for x in df['Date']]
df['Day'] = [x.isocalendar()[2] for x in df['Date']]
#create dataset for heatmap
#group by axis to plot
df = df.groupby(['Week','Day']).sum().reset_index()
#restructure for heatmap
data = df.pivot("Day","Week","Distance")
#configure the heatmap plot
sns.set()
fig, ax = plt.subplots(figsize=(15,6))
ax=sns.heatmap(data,xticklabels=1,ax = ax, robust=True, square=True,cmap='RdBu_r',cbar_kws={"shrink":.3, "label": "Distance (KM)"})
ax.set_title('Running distance', fontsize=16, fontdict={})
#configure the x and y ticks
plt.xticks(fontsize="9")
plt.yticks(np.arange(7),('Mon','Tue','Wed','Thu','Fri','Sat','Sun'), rotation=0, fontsize="10", va="center")
#set labelsize of the colorbar
cbar = ax.collections[0].colorbar
cbar.ax.tick_params(labelsize=10)
plt.show()
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