ile "F:/python项目开发/神经网络/Neural+Networks.py", line 127, in plot_decision_regions
plt.scatter(x=x[y==cl, 0], y = x[y==cl,1],alpha=0.8,c = cmap(idx),
IndexError: index 100 is out of bounds for axis 0 with size 100
求解答
y=df.loc和iloc不太一样
y = df.loc[:100, 4].values 改为 y = df.loc[:99, 4].values
或者
x = df.iloc[:100, [0, 2]].values 改为 x = df.iloc[:101, [0, 2]].values
不知道为啥，反正能运行了就，不然说数组越界