【seaborn】ValueError: Colormap Y1GnBu is not recognized.
ValueError:ColormapY1GnBuisnotrecognized.错误代码:corrmat=df_train.corr()f,ax=plt.subplots(figsize=(12,9))sns.heatmap(corrmat,square=True,cmap='Y1GnBu')样本是由多维属性构成的,把每个属性维度都看成一个随机变量,为了考查两两属性间的关系,可以借助随机变量的协