RJ

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Want to write a Mapper that takes numeric data and will provide column sum for each column and row sum for each individual row through mapper and reduce, below is the code that gives column sum for each cloumn and I want code for row sum
I am getting error for row sum for each data series which in turn takes place through addition of all columns of that data serie...

7 years 前 | 0 个回答 | 0

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How to calcuate sum of each row for a dataset through MapReduce??
I am working on a data clustering algorithm, I want row sum for each data set ID. I want the answer in the form of key, value.

7 years 前 | 2 个回答 | 0

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