# Prashanth Ravindran

### Indian Institute of Technology, Delhi

Active since 2012

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i am doing some analysis on brain data for finding abnormalities...
Professional Interests: image processing, signal processing and instrumentation

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

meer dan 7 jaar ago

Question

Why is fitlm (or regess) and estimation using mathematical equations giving different results?
I am trying to estimate the linear regression coefficients from mathematical equations. But I get different results using standa...

ongeveer 8 jaar ago | 1 answer | 0

### 1

Question

What is the difference between the regress function and the fitlm function
% X = input data % Y = outcome % Using the fitlm command to estiamte the multiple liner regression model lin_...

ongeveer 8 jaar ago | 2 answers | 0

### 2

Predictor Importance feature for Tree Ensemble (Random Forest) method
This query was asked back in 2013. I will try to answer for those people who might be looking for the answer. predictorImport...

meer dan 8 jaar ago | 1

The Hosmer-Lemeshow Goodness-of-Fit Test
Check out this website for the matlab code for HL test. http://www.nyu.edu/projects/farbood/projects/stats.html Prashanth

ongeveer 11 jaar ago | 0

Question

What is algorithmic difference between the MATLAB functions ClassificationDiscriminant.fit and classify to perform discriminant analysis
MATLAB 2012b provides two functions for Discriminant Analysis (_ClassificationDiscriminant.fit_ and _classify_). obj = Class...

meer dan 11 jaar ago | 0 answers | 0

### 0

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A GUI to load and view .NII files.
This GUI was created for loading, viewing and saving slices in a .NII file

Unable to run Discriminant Analysis
use function 'classify' to perform discriminant analysis. This function is available in the earlier versions of MATLAB.

ongeveer 12 jaar ago | 0