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Fischer Zheng


Scotiabank Group

Last seen: 2 years 前 |  自 2015 起处于活动状态

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统计学

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convert categorical to numeric
I have a categorical array and I want to convert it back to the numerical matrix. What is the syntax? Thanks,

9 years 前 | 6 个回答 | 2

6

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Searching and summing array
This is what did on my first try and it takes 30mins to run through the code. However, when I did two for loops it is much fast...

9 years 前 | 0

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Searching and summing array
Hi All, I have three arrays. One small one called A and two huge ones called M1 and M2. M1 and M2 are of the same size. A ...

9 years 前 | 2 个回答 | 0

2

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Maxtrix copy and manipulation
I have one matrix and one vector. I would like to shift the elements of row forward depending on the vector index. M = [0 ...

9 years 前 | 2 个回答 | 0

2

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Lookup values in other matrix
I have two very large vectors of the same size: Vector 1 contains a list of type Type ("Math","Chem","Bio") ["Math" ...

9 years 前 | 1 个回答 | 0

1

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