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Picking the Proper Test for Survival Analysis
access_time 2023-11-29T00:18:08.278Z face Dr Shamshad Ahmad
Picking the Proper Test for Survival Analysis When comparing survival curves, several statistical tests are available, each with its specific characteristics and assumptions. These tests are designed to assess whether there are significant differences between the survival experiences of two or more...
Understanding Confounding: A Key Player in Misleading Associations
access_time 1701127680000 face Dr Shamshad Ahmad
Understanding Confounding: A Key Player in Misleading Associations Confounding is a critical concept in epidemiology and statistics that refers to a situation where the relationship between an exposure and an outcome is influenced by a third variable, known as a confounder. This third variable is r...
Independent t-test
access_time 2022-04-17T08:01:33.045Z face Dr. Ria Roy
Learn Biostatistics with Ria Come on this incredible journey and help enhance your capability for Biomedical Research INDEPENDENT T-TEST The previous blogs on Chi-square and Fisher’s Exact Test deal with Categorical data (frequency) and are not-normal in distribution. Hence the tests are non-paramet...
Fisher's Exact Test
access_time 2022-04-08T05:37:55.607Z face Dr. Ria Roy
Learn Biostatistics with Ria Come on this incredible journey and help enhance your capability for Biomedical Research FISHER’S EXACT TEST This is a variation of the Chi-Square test of association where we calculate the significance or p value from the exact probabilities of the categories. So no mat...
Chi-square Test of Association
access_time 2022-04-04T07:00:44.307Z face Dr. Ria Roy
Learn Biostatistics with Ria Come on this incredible journey and help enhance your capability for Biomedical Research CHI SQUARE TEST OF ASSOCIATION Suppose we take two attributes or in a community, such as gender and habit of smoking. Now gender is a socially constructed attribute with usually two ...