Python数据分析-绘图-2-Seaborn进阶绘图-5-矩阵图

一、heatmap

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[En]

[TencentCloudSDKException] code:FailedOperation.ServiceIsolate message:service is stopped due to arrears, please recharge your account in Tencent Cloud requestId:cc72d7f8-a9dc-413f-9696-166095b68a30

函数:seaborn.heatmap

常用参数:

data接收二维矩阵数据集,用于绘图的数据集。vmin,vmax接收float,表示颜色映射的值的范围。默认为Nonecenter接收float,表示以0为中心发散颜色,默认为None。cmap接收色彩映射或颜色列表,表示数值到颜色空间的映射,默认为None。robustbool,如果为True,且vmin,vmax不存在,则用鲁棒分位数表示映射范围。默认为False。annotbool或矩形数据集,表示是否在每个单元格显示数值。默认为1fmtstr,表示传递给FacetGrid的其他参数,默认为”auto”linewidthsfloat,划分每个单元的线宽。默认为0.linecolor划分每个单元的线条颜色,默认为”white”squarebool,表示是否使每个单元为方形。

flights=sns.load_dataset('flights')
#生成交叉联表
flights=flights.pivot("month","year","passengers")
sns.heatmap(flights)

Python数据分析-绘图-2-Seaborn进阶绘图-5-矩阵图

添加数值标记:

sns.heatmap(flights,annot=True,fmt="d")

Python数据分析-绘图-2-Seaborn进阶绘图-5-矩阵图

二、clustermap

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[En]

[TencentCloudSDKException] code:FailedOperation.ServiceIsolate message:service is stopped due to arrears, please recharge your account in Tencent Cloud requestId:4516dc77-b54b-4f33-86b9-79ff5da0a880

函数:seaborn.clustermap

常用参数:

datapivot_kwsdict,颜色映射的值的范围,默认为None。methodstr,聚类方法,默认为”average”metricfloat,表示数据距离度量方法。默认为”euclidean”z_score0或1,表示选择0(行)或1(列)计算z分数。默认为Nonestandard_scale0或1,表示选择0(行)或1(列)进行标准化。默认为Nonefigsize表示创建图形大小,默认为None{row,col}_cluster

bool,表示是否对样本或特征聚类,默认为True。

{row,col}_linkageNumpy的ndarray,表示对行或列计算链接矩阵,默认为None{row,col}_color接收list,DataFrame,Series,表示行或列标记的颜色列表,默认为Nonemask接收boolean,array,DF,表示是否屏蔽缺失单元格,默认为None。

iris=sns.load_dataset('iris')
#把species属性去掉后保存为一个新数据集
species=iris.pop("species")
sns.clustermap(iris)

Python数据分析-绘图-2-Seaborn进阶绘图-5-矩阵图

[TencentCloudSDKException] code:FailedOperation.ServiceIsolate message:service is stopped due to arrears, please recharge your account in Tencent Cloud requestId:bc3d5bc8-06e5-4ae3-8f70-bcc20f9571f9

[En]

[TencentCloudSDKException] code:FailedOperation.ServiceIsolate message:service is stopped due to arrears, please recharge your account in Tencent Cloud requestId:f077a1f9-e6c9-4bc4-a9cb-0a21d2ebfa0a

sns.clustermap(iris,method='single',col_cluster=False)

Python数据分析-绘图-2-Seaborn进阶绘图-5-矩阵图

Original: https://blog.csdn.net/weixin_44020827/article/details/121756652
Author: Caspian�
Title: Python数据分析-绘图-2-Seaborn进阶绘图-5-矩阵图

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