wesm / pydata-book

Materials and IPython notebooks for "Python for Data Analysis" by Wes McKinney, published by O'Reilly Media

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a mistake

seakafuka opened this issue · comments

In Chapter 4, numpy, above in Table 4.6, axis=0 should be calculating the cumulative sum of the column, and axis=1 is the cumulative sum of the row.

Seems like the answer is right. So are you misunderstand?
image

i correct it, because the book is reverse