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Fischer Zheng


Scotiabank Group

Last seen: quasi 3 anni fa |  Attivo dal 2015

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Domanda


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,

circa 9 anni fa | 6 risposte | 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...

oltre 9 anni fa | 0

| accettato

Domanda


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 ...

oltre 9 anni fa | 2 risposte | 0

2

risposte

Domanda


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 ...

oltre 9 anni fa | 2 risposte | 0

2

risposte

Domanda


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" ...

oltre 9 anni fa | 1 risposta | 0

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