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Broken Stick Regression, Polynomial Regression, Splines
Transformations of the response and predictors can improve the fit and correct violations of mode...
Assessing the Genetic Component of a Phenotype
A phenotype is the appearance of an individual, which results from the interaction of the person'...
Model Fitting: Inference
Given several predictors and a response, we need to figure out whether all are needed. Consider ...
Standardization
The objective of standardization is the compare the rates of a disease (or outcome) between popul...
Linkage Analysis
The primary goal of linkage analysis is to determine the location (chromosome and region) of gene...
Stratification and Interaction
Which Summary Measure to Use? Weighted averages are usually best Mantel-Haenszel is easy to c...
Mutiple Linear Regression and Estimation
Multiple Linear Regression analysis can be looked upon as an extension of simple linear regressio...
Simple Linear Regression
One of the first known uses of regression was to study inheritance of traits from generation to g...
Genetics and Inheritance
Gregor Mendel was an Austrian Monk in the late 1800s who experimented with pea plants to find tra...
Module 14: Topics in Linear Regression
Assumption in Linear Regression: Independence between observations Linearity between X and Y ...
Module 13: Linear Regression
Correlation and regression attempt to describe the strength and direction of the association betw...
Module 12: Basic Genetics
People are made of organs, organs are made of cells, cells are composed with genetic information....
Module 11: ANOVA - Analysis of Variance
ANOVA can be used to compare the means of several populations with continuous populations simulta...
Module 10: Confounding and MH Method
With categorical data, we are classifying data instead of measuring it. As a review: Notice we...
Module 9: Hypothesis Testing
The "effect" of a particular factor on some health outcome can be described as a parameter. Stati...
Module 8: Interval Estimation
θ is fixed while θhat_n is a random variable which provides the single best value to estimate θ...
Factors Related to Human Health
Social, Political and Economic There is growing recognition that there are many social determin...
Module 6 & 7: Summary Statistics and Parameter Estimation
Since it is practically impossible to enroll the whole target population, we take a sample - a su...
Module 5: Multivariate Normal Distribution
A variable X follows a discrete probability distribution if the possible values of X are either: ...
Heart Health
Atherosclerotic disease is a global health problem. Cardiovascular disease is the number 1 cause ...