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Siddharth Sundar

MathWorks

Last seen: 2년 초과 전 |  2014년부터 활동

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Professional Interests: Statistics, Machine Learning, Data Analysis

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How to show Sample Size at Each Split in Tree using fitctree?
If I understand correctly, you want to be able to extract the subset of observations used at each split in a node. The CutPr...

대략 10년 전 | 0

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How to have Tree able to do Multiple Splits at each Node rather than just 2 using fitctree?
As mentioned in <http://www.mathworks.com/help/stats/classification-trees-and-regression-trees.html this doc page>, Statistics T...

대략 10년 전 | 0

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What is the difference between quadratic and mahalanobis distance with stratified covaraiance estimates when using classify
The first place I would look at when trying to get some details about the Math behind the implementation would be the references...

대략 10년 전 | 0

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maximization problem with random variables.
From what I understand, you want to maximize an expected value functional. Since there are random numbers involved, the optimiza...

대략 10년 전 | 0

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How to find first crossing of a threshold, then ignore n datapoints after?
If I understand correctly, you just want to be able to find the indices where your values in a vector cross a certain threshold ...

대략 10년 전 | 2

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How can I turn new dummy variables into the same dummy variables I used to create a model?
There is no direct way to tell *dummyvar* to use a previously created *dummyvar* predictor matrix as a reference. So, in this ca...

대략 10년 전 | 0

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How to put big text into an array
Though I do not quite understand what you mean by 'sort it with a loop', a good place to start with would be the <http://www.mat...

대략 10년 전 | 0

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Invalid Matrix Dimensions Error with frprintf
Nothing in the above code seems to point towards any error. You might have a variable called *fprintf* defined in your workspace...

대략 10년 전 | 0

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HELP.....running on different monitors has messed up GUI
Setting the Resize behavior property to "Proportional" causes all the units of the objects to be set to 'normalized'. This will ...

대략 10년 전 | 0

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Error when using kmedoids with custom distance function
Within the *kmedoids* function, there is a check on the distance metric to see if it is a string or a function handle. In your c...

대략 10년 전 | 0

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How do I suppress the splash screen for compiled applications in 2014b?
This is not possible directly. As a workaround, do NOT distribute the splash screen image file from the *for_redistribution_fil...

대략 10년 전 | 0

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physical vs. logical core allocation for Matlab in slurm
For optimal performance, I would say that you should have one worker per physical core. Even though you have hyperthreading enab...

대략 10년 전 | 1

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Solved the graph. Drawed the function. How to plot the x solution marked with a ring...
I would suggest that you rework your code in the function *my_newton* to handle multiple x0 values in one call by passing a vect...

대략 10년 전 | 0

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MATLAB crashes when I try to plot.
I would suggest that you use the *-softwareopengl* startup option and see if that resolves the issue. This startup option forces...

대략 10년 전 | 2

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Calculate VaR for equity portfolio
You could first create a *PortfolioCVaR* object. The PortfolioCVaR object has a method to compute the value-at-risk of portfolio...

대략 10년 전 | 0

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Error when running patternnet example code from Help documentation
From the error, it looks like you could have another function *softmax* that shadows the one shipped with the product. So you mi...

대략 10년 전 | 4

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Finding cluster centre in hierarchial clustering
Hierarchical Clustering does not use a cluster center based clustering. This doc page talks about what goes on under the hood wh...

대략 10년 전 | 0

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Compiling MATLAB applications with LARGEADDRESSAWARE
If you are running it on a 32 bit OS, then your applications are limited to using 2GB and the rest of it used by the OS in itsel...

대략 10년 전 | 0

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Step size adjustment of ODE15s
I understand that you want to some information about how *ode15s* adjusts the time step size. In general, in the absence of s...

대략 10년 전 | 0

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Why do mattest and ttest2 produce two different p-values?
I understand that you want to know why the functions *mattest* and *ttest2* behave differently for the same input. Both func...

대략 10년 전 | 0