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Roisin Loughnane


Active since 2017

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using trained weights of learners in a boosted classification ensemble to predict probability
Hello all, I am wondering how to use the trained weights of each weak learner with the predict function for boosted classific...

ungefär 7 år ago | 0 answers | 0

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answers

Question


cumulative sum of some columns of matrix
I have a 100 x 12 matrix of monthly climate data values. I want to create a matrix with the cumulative sum of the three previ...

ungefär 7 år ago | 2 answers | 0

2

answers

Question


scale to percentage using maximum value
I have a matrix with a few values A = [0.00432, 0.13683 0.93748 0.00346] I want to assign a value of 100 the maximum val...

ungefär 7 år ago | 1 answer | 0

1

answer

Question


interpolating data from surrounding cells
I have a large array of ocean climate data that contains many NaN values. I want to interpolate the neighbouring cells of the mi...

ungefär 7 år ago | 0 answers | 0

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answers

Question


Using 'find' for finding whole numbers
Hello, I have a large matrix containing latitude gird edges (lat_grid) and I wish to find lat values from a vector (lat) usin...

ungefär 7 år ago | 2 answers | 0

2

answers

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how to fit link logit for binomial error distribution in gradient descent boosted regression trees
Hello, Could somebody please advise me on how to fit a logit binary response (probability of success/failure) in the context ...

ungefär 7 år ago | 0 answers | 0

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answers

Question


manually subsetting data for training and testing purposes
I have a dataset containing locations, rows for each observation (month) and various climate data in the columns. Something that...

ungefär 7 år ago | 2 answers | 1

2

answers

Question


how to put an if statement within for loop
I compile climate data over many years by month within a for loop, and concatenate these to create a 3D array (of say January's ...

ungefär 7 år ago | 1 answer | 0

1

answer

Question


more efficient way of using for loop?
Hello everyone. I am new to Matlab and would really appreciate your help. I have a time series of multiple years of environmen...

ungefär 7 år ago | 1 answer | 0

1

answer

Question


plug elements of matrices into formula
Hello all, I have a a few matrices: A, B, and C, all of the same size. I would like to access each corresponding element t...

ungefär 7 år ago | 1 answer | 0

1

answer

Question


Subtract column from previous column in for loop
I want to subtract previous column from columns, eg. column 2 - column 1 etc., and then divide by the difference (range) between...

ungefär 7 år ago | 1 answer | 0

1

answer