Machine learning is a technique that allows computers to learn from data and make predictions or decisions without being explicitly programmed. In this article, we will discuss how to use the Random Forest algorithm for regression tasks in R with the Boston House Data from the UCI Machine Learning Repository.
First, we need to load the necessary libraries and the dataset. The Boston House Data is a dataset that contains information about various properties in Boston, such as the crime rate, the age of the house, and the median value of the property. It is a commonly used dataset for regression tasks in machine learning. We will use the “caret” library in R to load the data and split it into training and test sets.
Next, we will build our model using the Random Forest algorithm. The Random Forest algorithm is an ensemble method that uses multiple decision trees to make predictions. The algorithm creates multiple trees and each tree is trained on a random subset of the data. The final prediction is made by averaging the predictions of all the trees. This helps to reduce the variance and improve the overall accuracy of the model.
We will use the “caret” library to build the model and perform a grid search to find the best parameters for the model. A grid search is a technique that allows us to test different combinations of parameters to find the best-performing model. We will use the “train” function from the “caret” library to build the model and the “trainControl” function to set the parameters for the grid search.
Finally, we will evaluate the performance of the model using different metrics such as mean squared error and R-squared. We will also use the “predict” function from the “caret” library to make predictions on the test set.
In conclusion, using Random Forest algorithm in R with the Boston House Data is a great way to get started with machine learning and data science. By following the steps outlined in this article, you can build a model that can make accurate predictions and improve your understanding of machine learning. The “caret” library makes it easy to build, tune and evaluate the model, making it a useful tool for data scientists and machine learning enthusiasts.
In this Applied Machine Learning & Data Science Recipe (Jupyter Notebook), the reader will find the practical use of applied machine learning and data science in R programming:
Machine Learning in R | Data Science for Beginners | Random Forest | Boston House Data | Regression.
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- Machine Learning in R | Data Science for Beginners | Random Forest | Boston House Data | Regression.
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Machine Learning in R | Data Science for Beginners | Random Forest | Boston House Data | Regression:
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