juice_10的博客

cm = df.columns.tolist()xcorr = df[colnm].corr()#设置右上三角不绘制#mask为 和相关系数矩阵xcorr一样大的 全0(False)矩阵mask = np.zeros_like(xcorr, dtype=np.bool)# 将mask右上三角(列号》=行号)设置为Truemask[np.triu_indices_from(mask)...

PandasSeriesSeries相当于一维数组 print时能看到索引DataFrameDataFrame相当于二维数组，print时能看到行和列的索引dic3 = {'one':{'a':1,'b':2,'c':3,'d':4},'two':{'a':5,'b':6,'c':7,'d':8},'three':{'a':9,'b':10,'c':11,'d':12}}p...

json.load出错（python）raise JSONDecodeError(“Expecting value”, s, err.value) from None afile = open('mm.json','r',encoding='utf-8') config = json.load(afile)json文件内容如下：{"db_config":{"host": "",...