by Suf | Dec 11, 2024 | R, Statistics
Cronbach’s alpha is one of the most widely used measures of internal consistency reliability in psychological and educational research. It helps researchers determine how well different items on a scale measure the same underlying construct. This guide will...
by Suf | Nov 20, 2024 | Data Science, Programming, R, Tips
Table of Contents Introduction The Basics of set.seed() Why Use set.seed()? Best Practices Common Use Cases Troubleshooting Advanced Usage: Random Number Generators (RNGs) in R Conclusion Introduction In R programming, reproducibility is crucial for scientific...
by Suf | Nov 13, 2024 | Programming, R, Statistics
Understanding the Two-Sample t-Test (Pooled Variance) Table of Contents Introduction to the Two-Sample t-Test Formulae for the Two-Sample t-Test When to Use a Two-Sample t-Test Performing a Two-Sample t-Test in R Practical Example Interpreting Results Assumptions and...
by Suf | Nov 11, 2024 | Programming, R, Statistics
How to Calculate a One-Proportion Z-Test in R Table of Contents Introduction to One-Proportion Z-Tests When to Use a One-Proportion Z-Test Formula for the One-Proportion Z-Test Calculating Left-Tailed, Right-Tailed, and Two-Tailed p-values from the Z-score Calculating...
by Suf | Nov 11, 2024 | Programming, R, Statistics
Table of Contents Introduction to One-Sample Z-Tests When to Use a One-Sample Z-Test Formula for the One-Sample Z-Test Calculating the One-Sample Z-Test in R Calculating the p-value from the Z-score Example Calculation Using an Array of Values Example Calculation...
by Suf | Nov 11, 2024 | Programming, R, Statistics
Table of Contents Introduction to One-Sample t-Tests When to Use a One-Sample t-Test Performing a One-Sample t-Test in R Practical Example: Testing the Mean of a Sample Interpreting Results Assumptions of the One-Sample t-Test Conclusion Introduction to One-Sample...
