All articles by Shruti Datt

Matrices and arrays in MATLAB

The basics of MATLAB were discussed in the previous module. It covered topics on interface of MATLAB software and the basic operations of MATLAB along the help and documentation features. Furthermore, this article discusses the matrices and array part of MATLAB. Read more »

Understanding the process of selecting data entry formats in meta-analysis

Findings in meta-analysis are integrated by the means of effect sizes also known as the currency of meta-analysis. They span the group of ‘indices’. An index is a statistical measure which is a compound representation of the several observations in the study. It gives a general dimension to the phenomenon. Therefore, indices are used to evaluate the size or magnitude of the treatment effect (Becker 2000). Read more »

Variable returns to scale in DEA and summary of efficiency and slacks

Variable returns to scale (VRS) is a type of frontier scale used in data envelopment analysis (DEA). It helps to estimate efficiencies whether an increase or decrease in input or outputs does not result in a proportional change in the outputs or inputs respectively (Cooper, Seiford, & Zhu, 2011). Read more »

Search and help in MATLAB

MATLAB provides various ways in which a user can access help within the software for better understanding of the functions. Similarly, many search options are provided to search text, characters and functions in the software in order to fix errors and avoid bugs. Read more »

Multi stage CRS analysis and interpretation of input orientation

In the previous article “Importing the data and defining the variable” the steps for data extraction and execution of results were discussed. Here, the findings for Multi-stage based constant returns to scale (CRS) are extracted and analyzed and presented. The findings and the interpretations are on the basis of input-oriented multi-staged CRS Data Envelopment Analysis. Input variables are Total Capital and Deposits while the output variables are Total loans and Profits. Read more »

Drug related hypersensitivity to Paracetamol

Paracetamol was discovered by McNeil Laboratories in 1955 as an analgesic and antipyretic for children and is further said to be a non-opioid analgesic and is often known as acetaminophen. It is considered as a first line analgesic and is considered safe and effective in pain relieve against musculoskeletal pain caused due to rheumatoid arthritis and fever. Read more »

Formatting output and help in MATLAB

In the previous articles, the discussion revolved around the use of command window and how variables are added to working window. In the present article, the focus will be on how to format output and further use MATLAB for documentation without errors. Read more »

Importing data and defining the variables in DEAP

In the previous article, “Using Data Envelopment Analysis (DEA) program for measuring efficiency” the process to download Data Envelopment Analysis program (DEAP) was explained and the case problem in hand was defined. The first step is to understand how to import data to DEAP. Read more »

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