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...
by Suf | Nov 7, 2024 | Programming, R, Statistics
Introduction Fisher’s exact test is a statistical significance test used to determine if there are nonrandom associations between two categorical variables. Unlike the chi-square test of independence, which may not perform well with small samples or low expected...
by Suf | Sep 18, 2024 | Programming, R, Tips
When working with ggplot2 in R, you might encounter this error: Don’t know how to automatically pick scale for object of type standardGeneric. Defaulting to continuous. This error occurs when you attempt to create a plot using ggplot2 but mistakenly provide the name...
by Suf | Sep 18, 2024 | Programming, R, Tips
Introduction When visualizing data in R with ggplot2, you might encounter the error: StatBin requires a continuous x variable: the x variable is discrete. Perhaps you want stat=”count”? This occurs when you’re trying to create a histogram, which is...
by Suf | Sep 18, 2024 | Programming, R, Tips
Introduction When working with R, you may encounter the error message:Error: invalid (NULL) left side of assignment. This error typically occurs when you mistakenly assign a value to a NULL object or when trying to modify a NULL object inappropriately. In this post,...
