4 papers
Inference for a test-negative case-control study with added controls
Bikram Karmakar, Dylan Small
Test-negative designs with added controls have recently been proposed to study COVID-19. An individual is test-positive or test-negative accordingly if they took a test for a disea…
Statistical Validity and Consistency of Big Data Analytics: A General Framework
Bikram Karmakar, Indranil Mukhopadhyay
Informatics and technological advancements have triggered generation of huge volume of data with varied complexity in its management and analysis. Big Data analytics is the practic…
Univariate and data-depth based multivariate control charts using trimmed mean and winsorized standard deviation
Kushal Kr. Dey, Kumaresh Dhara, Bikram Karmakar +1
Over the years, the most popularly used control chart for statistical process control has been Shewhart's or chart along with its multivariate generalizatio…
Test for the statistical significance of a treatment effect in the presence of hidden sub-populations
Bikram Karmakar, Kumaresh Dhara, Kushal Kumar Dey +2
For testing the statistical significance of a treatment effect, we usually compare between two parts of a population, one is exposed to the treatment, and the other is not exposed…