Subscribe to DSC Newsletter

General Technical Questions (136)

Featured Discussions

Logistic Regression - General concepts

I am relatively new to predictive modeling techniques and would like to get a few concepts cleared/discussed. I am currently in the process…

Started by Sayantan BhattacharyaLatest Reply

SMOTE and adaptive synthetic sampling algorithms in SAS

Hi, I am developing a predictive model for a data-set that is very imbalanced. the ratio between goods and bads is 47500:1. I am exploring…

Started by Mark Nasila (PhD)Latest Reply

PROC VARCLUS output

Hi All, I performed VARCLUS for variable reduction.  For one of the clusters I'm seeing same value for R-square with own cluster - which…

Started by AKJLatest Reply

Discussions Replies Latest Activity

Clustering with non numeric data

Hi - has anyone worked on clustering project using some non numeric variables? For e.g. clustering customer behavior based on brand prefere…

Started by ANINDO CHAKRABORTY

33 May 24
Reply by Kunal Dash

Oversampling/Undersampling in Logistic Regression

Most people use logistic regression for modeling response, attrition, risk, etc. And in the world of business, these are usually rare occur…

Started by DataLLigence

7 Mar 7
Reply by Jacob Zahavi

Difference between Prediction and Forecasting

Hi all! Can anyone help me understand the difference between Prediction (as in Predictive Modeling)  and Forecasting?    If forecasts can b…

Started by Sharath Dandamudi

7 May 31, 2017
Reply by Michael Akinwumi

How To Determine If A Sample Is Representative

If the sample is obtained through simple random sampling, would it be automatically representative of the population? If not, what is the w…

Started by Jason Monte

7 May 24, 2017
Reply by Varun Bhargava

Handling Imbalanced data when building regression models

Dear colleaques and friends, i would like to know how you go about handling a dataset with imbalanced groups being modelled using a classif…

Started by Mark Nasila (PhD)

14 Jul 28, 2016
Reply by Dean Abbott

Logistic Regression - General concepts

I am relatively new to predictive modeling techniques and would like to get a few concepts cleared/discussed. I am currently in the process…

Started by Sayantan Bhattacharya

0 Jun 27, 2016

Python is bad for beginner

In the past few months, I have scripted with python for my job. I am really satisfied with its dynamic data type feature and the ease of us…

Started by Yuecai Zhu

4 Apr 22, 2016
Reply by Yuecai Zhu

SMOTE and adaptive synthetic sampling algorithms in SAS

Hi, I am developing a predictive model for a data-set that is very imbalanced. the ratio between goods and bads is 47500:1. I am exploring…

Started by Mark Nasila (PhD)

0 Mar 16, 2016

k-means clustering

Hi How is 'k' determined in k-means clustering (using FASTCLUS)? Thanks.

Started by AKJ

6 Dec 5, 2015
Reply by Dean Abbott

Linearity assumption in Linear Regression

Hi all! I have a query with regards to one of the assumptions of linear regression - linearity between dependent and independent variable.…

Started by Sharath Dandamudi

5 Sep 15, 2015
Reply by Clifford Long

RSS

Follow Us

On Data Science Central

On DataViz

On Hadoop

© 2018   AnalyticBridge.com is a subsidiary and dedicated channel of Data Science Central LLC   Powered by

Badges  |  Report an Issue  |  Privacy Policy  |  Terms of Service