Ashutosh Patri

3 Questions 6 Answers 0 Followers

Questions related from Ashutosh Patri

How can we avoid over-fitting in a Stochastic Gradient Boosting (SGB) based CART prediction model?

Hi there! I have a sample of 2500 data and each having 9 attributes. I divided the set into 75% + 25% for training-testing purpose ( random selection for testing ). In SGB model I have taken 0.05...

08 August 2014 3,840 1 View

How can we determine the number of leaf nodes in Stochastic Gradient Boosting based Regression Trees?

According to the Friedman's Stochastic Gradient Boosting algorithm, the variable space is divided into J regions if the regression tree has J leaf nodes. But Hastie et al. suggested that J > 10...

08 August 2014 6,107 6 View

Can anyone use the data set provided in a published journal article for his own research work ?

Basically I want to know whether I could use their (published by another author) dataset for my personal analysis and can I publish my work with their dataset by giving them citations.

07 July 2014 959 1 View