What is an adaptive clinical trial?
In adaptive clinical trials, A patient may be given a new, more effective medication as an adaptive design clinical study develops. Any design that allows for changes to a clinical trial as it progresses...
Category: Statistics
Statistical test assumptions and requirements
Statistical test assumptions and requirements, many statistical processes, such as correlation, regression, t-test, and analysis of variance, presuppose that the data has a given property. Statistical test assumptions and requirements In general: The data...
Regression Analysis in Statistics
Regression analysis in statistics, Regression analysis is a technique for identifying patterns in data. You might think there’s a link between how much you eat and how much you weigh, for example; regression analysis...
What is Ad Hoc Analysis?
Ad Hoc Analysis, In today’s fast-paced business world, decisions can’t wait for scheduled reports. That’s where ad hoc steps in—offering real-time answers to specific questions, exactly when you need them. Whether it’s a one-off...
Similarity Measure Between Two Populations-Brunner Munzel Test
Similarity Measure Between Two Populations, The Brunner Munzel test (also known as the Generalized Wilcoxon Test) is a nonparametric statistical test for determining whether two samples are stochastically equal. Stochastic equality is a measure...
Rejection Region in Hypothesis Testing
Rejection Region in Hypothesis Testing, What is the definition of a Rejection Region? A rejection region is a section of a graph where the null hypothesis is rejected (assuming your test results fall into...
Hypothesis Testing Examples-Quick Overview
An educated assumption about something in the world around you is a hypothesis. It should be able to be verified through experiment or observation. Consider a new drug that you believe may be effective....
Multivariate Logistic Regression in R
Multivariate Logistic Regression in R, That’s an excellent segue into what to do when there are multiple variables. The two models we’ve looked at thus far only do single-variable logistic regression. Logistic Regression Machine...
Logistic Regression Machine Learning: Explanation
Logistic regression machine learning, So now we’re going to get a little bit more maths. Let’s, for shorthand, write p of X for the probability that y is 1 given X. And we’re going...
Different types of scales and their Names
Different types of scales and their names, we use data to answer fascinating issues in statistics. However, not all information is created equal. There are four different data measurement scales that are used to...
