# Justin

### Justin Acciavatti

Active since 2014

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Question

How to have Tree able to do Multiple Splits at each Node rather than just 2 using fitctree?
All the trees I've produced have two splits at each node, but sometimes this is not optimal. How can I set fitctree to allow fo...

9 years ago | 1 answer | 0

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Question

How to show Sample Size at Each Split in Tree using fitctree?
Am using fitctree, and of course, altering the MinLeaf size changes the tree output drastically, but also interested in seeing h...

9 years ago | 1 answer | 0

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Question

Stepwiseglm: What is happening when 'Warning: Iteration Limit Reached'?
Stepwiseglm: What is happening when 'Warning: Iteration Limit Reached'? Seems to have to do with not enough examples of vari...

9 years ago | 0 answers | 0

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Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

9 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

9 years ago

Question

TreeBagger: How do I view entire tree or the list of logical steps? (Not same as with fitctree)
Hi, TreeBagger: How do I view entire tree or the list of logical steps? (Not same as with fitctree) I used: t=TreeBagger...

9 years ago | 1 answer | 0

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Question

Decision Tree CrossValidation Error of .07 How to determine if acceptable??
taking this example of coding from documentation: leafs=logspace(1,2,10); N=numel(leafs); err=zeros(N,1); ...

9 years ago | 1 answer | 0

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Question

Decision Tree Classification with 0 on BOTH terminal nodes of branches?
Using t=fitctree(x,y,'MinLeaf',20) and then view(t,'Mode','Graph') to look at how the tree is working, and I see that in se...

9 years ago | 1 answer | 0

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Question

How to reference Discontiguous data rows in a function? -from new user
I have imported a data set to model a decision tree using fitctree function. My overall aim is to model a training sample fr...

10 years ago | 1 answer | 0

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Question

Set p-value threshold for stepwiseglm() function?
Hi, I am using stepwiseglm(D(1:2719,2:end),D(1:2719,1),'constant','upper','linear','Distribution','binomial','Link','logit'...

10 years ago | 1 answer | 1