Tomás Nunes

自 2018 起处于活动状态

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统计学

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Replace NaN with mean of previous values
Hello, I have a vector that contains some Nan's. How can I replace them with a mean of the previous 5 values? This is what I ha...

7 years 前 | 4 个回答 | 0

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Create cell array or 3D matrix
I am trying to populate a 125x32 cell array with regression residuals over previous 30-day returns. I have a matrix called sig1 ...

7 years 前 | 1 个回答 | 0

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Populate cell array with regression residuals using for loop and if statement
I am trying to populate a 125x32 cell array with regression residuals over previous 30-day returns. I have a matrix called sig1 ...

7 years 前 | 0 个回答 | 0

0

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Major regression loop for residuals
Hi. I have a 7567x32 matrix with returns and another one with signals, such as 1, -1 and 0. I am supposed to compute a regressio...

7 years 前 | 0 个回答 | 0

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reorganize two related matrices in ascending order
I have two matrices, one with -1 and 1's and another with returns that are related to the number in the previous matrix. However...

7 years 前 | 2 个回答 | 0

2

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Populate matrix with non-zero elements from previous matrix
I have a 7567*32 matrix in which every row has 4 non-zero elements and the rest are zeros. I want to create a 7567*4 matrix that...

7 years 前 | 1 个回答 | 0

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Why do I have different result through ans key?
I am trying to compute maximum drawdowns within a vector, but the for loop gives me wrong results. Basically I have a vector ca...

7 years 前 | 0 个回答 | 0

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