使用python中出現的錯誤統計

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1， unsupported operand type(s) for /: ‘map‘ and ‘int‘

機器學習實戰 PCA程式

Traceback (most recent call last):  File "<ipython-input-29-808c65c1265e>", line 1, in <module>    lowDMat,reconMat=pca.pca(dataMat,1)  File "I:\python\PCA\pca.py", line 15, in pca    meanVals = mean(dataMat, axis=0)

解決辦法：

2 ，TypeError: ufunc ‘isnan‘ not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ‘‘safe‘‘

Traceback (most recent call last):  File "<ipython-input-17-945c872e5152>", line 1, in <module>    dataMat=pca.replaceNanWithMean()  File "I:\python\PCA\pca.py", line 59, in replaceNanWithMean    meanVal = mean(datMat[nonzero(~isnan(datMat[:,i].A))[0],i])TypeError: ufunc ‘isnan‘ not supported for the input types, and the inputs could not be 
safely coerced to any supported types according to the casting rule ‘‘safe‘‘

 

使用python中出現的錯誤統計