Category: Learning modules

By Priya Chetty on January 10, 2018 3 Comments

Until recently, Karl Pearson Correlation analysis was one of the most popular methods to measure linear association between two or more than two variables in a data set. For example, establishing the Karl Pearson Correlation between X variable and Y variable, where both variables belong to a single data set. Canonical Correlation Analysis (CCA), on the other hand, helps measure the correlation among variables which are in different datasets.

 , ,
By Priya Chetty on January 10, 2018 No Comments

A decision tree is a graphical representation of possible solutions to a problem based on given conditions. It is called a tree because diagrammatically it starts with a single box (target variable) and ends up in numerous branches and roots (numerous solutions).

 , ,
By Yashika Kapoor & Priya Chetty on December 25, 2017 3 Comments

This article explains the data entry methodology, for performing meta-analysis on the outcomes of studies having a single group. For this purpose, the single group of patients who were administered drug treatment will be taken into consideration.

 ,
By Priya Chetty on December 25, 2017 No Comments

Thus to assess the model, a common practice in data science is to iterate over various models and select the most appropriate model. In other words it is important to test the same model with different values of parameters.This is called the cross validation method.

 ,
By Yashika Kapoor & Priya Chetty on December 25, 2017 1 Comment

As seen the relative weighting of studies in the two models are quite different. The random effects model takes into account both the interstudy variance and sample size, resulting in well-distributed weight.

 ,
By Avishek Majumder & Priya Chetty on December 24, 2017 1 Comment

This article, discusses and interprets the rest of the results from Malmquist DEA. Furthermore, the analysis of Malmquist index summaries for both output and input frontiers are interpreted.

 , ,
By Avishek Majumder & Priya Chetty on December 24, 2017 2 Comments

Differences between Multi-stage and Cost- data envelopment analysis (DEA) was also discussed. However, the article will only interpret the results from cost efficiency analysis from the constant returns to scale (CRS) frontier.

 ,
By Yashika Kapoor & Priya Chetty on December 24, 2017 3 Comments

The Comprehensive Meta-analysis (CMA) software is a user-friendly and diverse software. It is capable of handling and executing multiple tests involved in performing Meta-analysis.

 ,