by Suf | Dec 13, 2024 | Statistics
In statistical analysis, Sxy (sum of cross products) is a crucial concept that measures the joint variability between x and y values. This measure is fundamental in understanding the relationship between variables and forms the basis for many statistical techniques,...
by Suf | Dec 13, 2024 | Statistics
In statistical analysis, Sxx (sum of squares of x) is a fundamental concept that measures the total variability in your x-values. While it’s valuable on its own, understanding Sxx becomes particularly important when analyzing relationships between variables,...
by Suf | Nov 10, 2024 | Programming, R, Statistics
Table of Contents What is Mean Absolute Error? Example 1: Simple MAE Calculation with Two Vectors Example 2: MAE Calculation for a Linear Regression Model Visualizing the Results Creating an MAE Function for Reusability Conclusion Mean Absolute Error (MAE) is a...
by Suf | Nov 10, 2024 | Programming, R, Statistics
Table of Contents What is Root Mean Squared Error? Real-Life Example: Predicting Temperature Step 1: Manually Calculating RMSE in R Step 2: Visualizing Observed vs. Predicted Values Step 3: Creating an RMSE Function for Reusability Step 4: Using the Metrics Package...
by Suf | Nov 10, 2024 | Programming, R, Statistics
Table of Contents What is Mean Squared Error? Real-Life Example: Predicting House Prices Step 1: Manually Calculating MSE in R Step 2: Visualizing Observed vs. Predicted Values Step 3: Creating an MSE Function for Reusability Step 4: Using the Metrics Package for MSE...
