M. Ramakrishna Murty

6 Questions 60 Answers 0 Followers

Questions related from M. Ramakrishna Murty

Why do we choose smaller values of weighted average of gini index for descent nodes of binary attributes for the construction of decision tree?

In the classification model of decision trees, we need to choose the spiting attribute. In this process normally we used to choose the highest values of GINI index as spiting attribute, but in...

08 August 2014 4,532 2 View

Please suggest the link or data source for Bench mark Text data for clustering

I need bench mark text data for my experimentation with clustering problems.

07 July 2014 9,669 1 View

How do you write a matlab code to identify the particular color point of the picture?

In the picture (for example of a hand) I want to identify the color labels. How would I write a matlab code for this?

07 July 2014 9,420 8 View

Can anyone give more clarification on the difference between the effectiveness and efficiency of an algorithm?

In general we may say that, the algorithm works very effectiveness and efficiency. I think there is some differences between these two things.

07 July 2014 436 20 View

What is the exact meaning of convergence in data mining?

In the k-means algorithm we use convergence rate and improvement of convergence rate. what are the exact meanings of these convergence rates?

05 May 2014 7,013 1 View

Is Linear Discriminant Analysis (LDA) good for clustering problems?

Dimensionality reduction techniques for clustering.

03 March 2014 418 2 View