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# Prabhjot Dhami

Last seen: 18 days ago Active since 2019

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Question

Ridge Regression: Ridge traces are constant across different k values
I am working with Matlab and following the example laid out here: https://www.mathworks.com/help/stats/ridge.html I then use t...

2 months ago | 0 answers | 0

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Question

Notation for specifying nested random effects using LME
Greetings, I have the following dataset. Patients were recruited from 4 hospital sites to be randomized to either an active or ...

4 months ago | 0 answers | 0

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Question

Given a null distribution, how can I calculate a p-value for my test statistic?
Greetings, For example, let's say I have two groups and want to see if their means are significantly different. However, I want...

5 months ago | 1 answer | 0

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Repeated Measures ANOVA - getting very small p-value when there is no difference between conditions
Greetings, I am having trouble with conducting a repeated measures ANOVA in matlab. I have one group of 31 participants, who un...

5 months ago | 1 answer | 0

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Question

Reshaping array with specific order
Greetings, I have a 2-D matrix that I would like to reshape into a 3-D array with specific ordering of the elements. For exa...

8 months ago | 1 answer | 0

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Question

Permission denied when using pop_saveset in command line but not from GUI
Greetings, I am trying to execute a script to edit some electrophysiology data files (.set). However, when attempting to use ...

11 months ago | 0 answers | 0

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Question

How to customize a colour map so that all values of 0 are equal to gray
Dear Matlab Community, I am working with a nifti (.nii) image. I would like to plot the values I have using the 'jet' colorma...

1 year ago | 1 answer | 0

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How to get optimal value that best distinguishes two groups using SVM
Greetings, I am trying to learn more about classification using support vector machines. Accordingly, I have been following the...

1 year ago | 1 answer | 0

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Question

Help getting p-values of individual beta coefficients as output from mvregress
Greetings, I am trying to get the individual p-values of my beta coefficients which are output from mvregress. This is my curr...

1 year ago | 1 answer | 0

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Question

Using mvregress with only within-subject predictor variables
Greetings Matlab community, I am trying to set up a multivariate linear regression model but am having difficulty doing so. I ...

1 year ago | 0 answers | 0

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How to conduct a one-way repeated measures ANOVA

1 year ago | 0

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Question

How to conduct a one-way repeated measures ANOVA
Dear Matlab community, I am having trouble figuring out a way to conduct a one-way repeated measures ANOVA. I have 29 participa...

1 year ago | 1 answer | 0

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Question

“Regression design matrix is rank deficient” - what to do next?
I have the following model: Reduction_in_clinical_score ~ Baseline_clinical_score + Site_of_data_collection + Treatment_Type + ...

1 year ago | 1 answer | 1

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Question

element by element division of two matrices not producing expected result
Dear Matlab community, I have two large matrices. I would like to calculate the percentage reduction, as each matrix represents...

1 year ago | 1 answer | 0

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Question

Multcompare for fitlm output or something similar?
Dear Matlab community, I am running an ANCOVA model in matlab. I have a Y variable, and an X variable, a Group variable (3 grou...

3 years ago | 0 answers | 0