Patrick Rafail

Changing the Reference Category for Categorical Variables in R
Changing the Reference Category for Categorical Variables in R
Basic Linear Regression Analysis in R
Basic Linear Regression Analysis in R
Building Scatterplots, Adding Regression Lines, and Saving Graphics in R
Building Scatterplots, Adding Regression Lines, and Saving Graphics in R
Pearson's Correlation Coefficients in R
Pearson's Correlation Coefficients in R
One-Way Analysis of Variance in R
One-Way Analysis of Variance in R
The Chi-Square Test of Independence in R
The Chi-Square Test of Independence in R
Standardizing Bivariate Tables in R
Standardizing Bivariate Tables in R
The Two-Sample Test of Proportions in R
The Two-Sample Test of Proportions in R
The Two-Sample Test of Means in R
The Two-Sample Test of Means in R
The One-Sample Test of Proportions in R
The One-Sample Test of Proportions in R
The One-Sample Test of Means in R
The One-Sample Test of Means in R
Recoding in R II: From Categorical to Categorical
Recoding in R II: From Categorical to Categorical
Recoding in R I: From Interval or Ratio to Categorical
Recoding in R I: From Interval or Ratio to Categorical
Calculating Z Scores in R with scale()
Calculating Z Scores in R with scale()
Descriptive Statistics for Sub-Groups in R
Descriptive Statistics for Sub-Groups in R
An Introduction to Logical Operators in R
An Introduction to Logical Operators in R
Measures of Dispersion in R
Measures of Dispersion in R
Central Tendency in R
Central Tendency in R
Creating Frequency Distributions in R
Creating Frequency Distributions in R
Conventions for working with Data Frames in R
Conventions for working with Data Frames in R
Using c(): The concatenate command in R
Using c(): The concatenate command in R
Reading Data in Stata Format Using R
Reading Data in Stata Format Using R
Working Directories in R (macOS Version)
Working Directories in R (macOS Version)
File Paths and R (macOS Version)
File Paths and R (macOS Version)
Files Paths and R (Windows Version)
Files Paths and R (Windows Version)
Working directories in R (Windows Version)
Working directories in R (Windows Version)