In machine learning, we often come across datasets where the number of observations in one class significantly outweighs the other. This is known as imbalanced data. For instance, in a dataset of credit card transactions, the number of fraudulent transactions (positive class) is usually much smaller than the number of legitimate transactions (negative class). This is also an example of a binary classification task, which is a common type of machine learning problem....

Multi-output regression is a machine learning task where we need to predict multiple outputs from a single set of inputs. Imagine you’re a financial analyst at an investment firm. Your job is to predict the future performance of various stocks to guide investment decisions. For each stock, you want to predict several outputs such as the expected return, the volatility (risk), and the correlation with other stocks or market indices....

Multiclass classification is a machine learning task where the output can belong to more than two classes. In other words, it can sort data into multiple categories. For example, a piece of fruit can be classified as an ‘apple’, ‘banana’, or ‘cherry’. Or, a car can be classified as ‘sedan’, ‘SUV’, or ’truck’. Just like binary classification, we can use a variety of algorithms to classify the data points into these multiple categories....

Binary classification is a type of machine learning task where the output is a binary outcome, i.e., it belongs to one out of two classes. For example, an email can be classified as either ‘spam’ or ’not spam’, or a tumor can be ‘malignant’ or ‘benign’. When you have more than two classes, it’s called multiclass classification. We can use various algorithms to classify the data points. These algorithms include logistic regression, decision trees, random forest, support vector machines, and gradient boosting algorithms like XGBoost....

You’ve spent countless hours researching, tweaking, and training the perfect XGBoost model. Your model is performing exceptionally well and you’re ready to celebrate. But wait, now you need to deploy it, and suddenly, you’re faced with a problem. How do you save your model for future use? Don’t worry, there’s a simple solution to this! In this article, I will walk you through how to save and load your XGBoost models....

Are you struggling to get your regression models to perform well? Perhaps you’ve tried several algorithms, tuned your parameters, and even collected more data, but your model’s predictions are still off. You might be feeling frustrated and unsure of what to do next. Don’t worry, you’re not alone. Many machine learning practitioners face the same challenge. In this tutorial, I’m going to introduce you to XGBoost, a powerful machine learning algorithm that’s been winning competitions and helping companies make accurate predictions....

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