Exclude Particular Values from Data

These codes exclude rows with certain values in data frame.
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Extract Particular Values from Data

These codes extract rows with partiular values in data frame.
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Install and Load Packages

These codes load packages and install those which are not installed.
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Linear Mixed-Effects Regression Analysis

This post explains basics of linear mixed-effects regression vs. ANOVA.
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Reshape Data

These codes reshape data (a) from a long format to a wide format or (b) from a wide format to a long format. You can download the sample dataset for practice. ...
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Summarize Data

These codes summarize data by outputting (a) mean, (b) standard deviation, (c) standard error, and (d) confidence interval.
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