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Articles on Statistics and Machine Learning for Healthcare

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Author: Alex

Linear Regression: Comparing Models Between Two Groups with linearHypothesis

Posted on September 21, 2019May 20, 2020 by Alex

In this post, we describe how to compare linear regression models between two groups. Without…

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Linear Mixed Models: Making Predictions and Evaluating Accuracy

Posted on September 8, 2019May 20, 2020 by Alex

In this post we show how to predict future measurement values in a longitudinal setting…

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Why You Should Center Your Features in Linear Regression

Posted on August 31, 2019May 14, 2020 by Alex

In this post we describe centering features in linear regression: you should do it because…

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Some Healthcare Companies Doing Machine Learning

Posted on August 1, 2019 by Alex

In this post we briefly describe some interesting looking companies doing machine learning in the…

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Handling Imbalanced Classification Datasets in Python: Choice of Classifier and Cost Sensitive Learning

Posted on July 24, 2019July 14, 2020 by Alex

In this post we describe the problem of class imbalance in classification datasets, how it…

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Binary Classification in R: Logistic Regression, Probit Regression and More

Posted on June 11, 2019September 4, 2020 by Alex

In this post we describe how to do binary classification in R, with a focus…

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Linear Regression Summary(lm): Interpretting in R

Posted on June 1, 2019June 28, 2020 by Alex

Introduction to Linear Regression Summary Printouts In this post we describe how to interpret the…

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Classification Accuracy in R: Difference Between Accuracy, Precision, Recall, Sensitivity and Specificity

Posted on May 26, 2019May 14, 2020 by Alex

In this article we discuss how to evaluate classification accuracy, with a focus on binary…

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Regression with Count Data: Poisson Regression, Overdispersion, Negative Binomial Regression, and Zero Inflation in R

Posted on May 21, 2019May 20, 2020 by Alex

In this post we describe how to do regression with count data using R. In…

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Kaplan Meier: Non-Parametric Survival Analysis in R

Posted on April 19, 2019September 10, 2020 by Alex

In this post we describe the Kaplan Meier non-parametric estimator of the survival function. We…

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  • hypothesis testing
  • linear and generalized linear models
  • Longitudinal Data Analysis
  • Missing Data
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  • Numerical Linear Algebra
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  • Time series
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