Author Archives: Ajitesh Kumar
Machine Learning: Inference & Prediction Difference
In machine learning, prediction and inference are two different concepts. Prediction is the process of using a model to make a prediction about something that is yet to happen. The inference is the process of evaluating the relationship between the predictor and response variables. In this blog post, you will learn about the differences between prediction and inference with the help of examples. Before getting into the details related to inference & prediction, let’s quickly recall the machine learning basic concepts. What is machine learning and how is it related with inference & prediction? Machine learning is about learning an approximate function that can be used to predict the value …
Sklearn Neural Network Example – MLPRegressor
Are you interested in using neural networks to solve complex regression problems, but not sure where to start? Sklearn’s MLPRegressor can help you get started with building neural network models for regression tasks. While the packages from Keras, Tensorflow or PyTorch are powerful and widely used in deep learning, Sklearn’s MLPRegressor is still an excellent choice for building neural network models for regression tasks when you are starting on. Recall that Python Sklearn library is one of the most popular machine learning libraries, and it provides a wide range of algorithms for classification, regression, clustering, dimensionality reduction, and more. In this blog post, we will be focusing on training a …
Neural Networks Interview Questions – Quiz #45
Are you preparing for a job interview in the field of deep learning or neural networks? If so, you’re likely aware of how complex and technical these topics can be. In order to help you prepare, we’ve put together a list of common neural network interview questions and answers in form of multiple-choice quiz. The quiz in this blog post covers basic concepts related to neural network layers, perceptron, multilayer perceptron, activation functions, feedforward networks, backpropagation, and more. We’ve included 15 multiple-choice questions, as well as 5 additional questions specifically focused on the backpropagation algorithm. I will be posting many more quizzes on the neural networks in time to come, …
Google’s Free Machine Learning Courses: Learn from the Best
Machine learning has become a fundamental part of almost every industry today. With the increasing demand for data scientists and machine learning engineers, it has become imperative for professionals to keep themselves updated with the latest tools and techniques. Fortunately, Google offers a range of free machine learning courses that cater to professionals of all expertise levels. In this blog, we will explore the top Google machine learning courses that will help learners enhance their skills and stay ahead of the game. List of Free Machine Learning Courses by Google The following is a list of free machine learning courses from Google which you can take online. These courses can …
ChatGPT Prompts for Focused Learning
Have you ever felt frustrated with the limited time you have to learn and understand key concepts or topics in your desired field in a focused manner? Do you feel lost with the technical terms and jargon used in the desired field? ChatGPT’s prompts can help you overcome these obstacles and make learning more efficient and effective. By leveraging the power of natural language processing and machine learning, ChatGPT provides you with personalized learning opportunities that cater to your specific needs and learning goals. Through this blog, we will explore a list of ChatGPT prompts which can help you learn about any topics in your desired field of interest in …
Lung Disease Prediction using Machine Learning
Lung diseases, including chronic obstructive pulmonary disease (COPD), are a leading cause of death worldwide. Early detection and treatment are critical for improving patient outcomes, but diagnosing lung diseases can be challenging. Machine learning (ML) models are transforming the field of pulmonology by enabling faster and more accurate prediction of lung diseases including COPD. In this blog, we’ll discuss the challenges of detecting / predicting lung diseases using machine learning, the clinical dataset used in research, supervised learning method used for building machine learning models. Challenges in Detecting Lung Diseases with Machine Learning Detecting and predicting lung diseases using machine learning can be challenging due to a lack of labeled …
KMeans Silhouette Score Python Example
If you’re building machine learning models for solving different prediction problems, you’ve probably heard of clustering. Clustering is a popular unsupervised learning technique used to group data points with similar features into distinct clusters. One of the most widely used clustering algorithms is KMeans, which is popular due to its simplicity and efficiency. However, one major challenge in clustering is determining the optimal number of clusters that should be used to group the data points. This is where the Silhouette Score comes into play, as it helps us measure the quality of clustering and determine the optimal number of clusters. Silhouette score helps us get further clarity for the following …
ChatGPT Prompt for Job Interview Preparation
Preparing for a job interview can be a nerve-wracking experience. It’s natural to feel a sense of pressure as you try to impress your potential employer and secure the job you’ve been dreaming of. However, with the right preparation, you can increase your chances of acing the interview and landing the job. That’s where ChatGPT comes in. As a powerful language model trained by OpenAI, ChatGPT is equipped with the knowledge and expertise to provide you with valuable insights and prompts to help you prepare for your job interview. In this blog, we’ll explore some of the ways that ChatGPT can assist you in your job interview preparation. Whether you’re …
OpenAI’s Business Case Studies & Use Cases
In today’s fast-paced world, businesses are constantly searching for new and innovative ways to stay ahead of the competition and artificial intelligence (AI) is one of the key technology enabler driving innovation and bringing competitive edge. One of the most promising AI technologies in recent years has been generative AI, which has the potential to transform the way companies operate and interact with customers. Among the leading generative AI platforms available today is OpenAI, a pioneer company in the field of generative AI that is dedicated to advancing AI in a safe and beneficial way. In this blog, we will explore OpenAI’s potential case studies and related use cases for …
Convex optimization explained: Concepts & Examples
Prescriptive analytics plays a significant role in helping organizations make informed decisions by recommending the best course of action given a specific situation. Unlike descriptive and predictive analytics, which focus on understanding past data and predicting future outcomes, prescriptive analytics aims to optimize decision-making processes. Optimization solutions are a key component of prescriptive analytics, enabling decision-makers to find the most efficient and effective strategies to achieve their goals. Convex Optimization is a special class of optimization problems that deals with minimizing (or maximizing) convex functions over convex sets. Convex functions and sets exhibit specific mathematical properties that make them particularly well-suited for optimization. In the context of prescriptive analytics, convex …
Why & When to use Eigenvalues & Eigenvectors?
Eigenvalues and eigenvectors are important concepts in linear algebra that have numerous applications in data science. They provide a way to analyze the structure of linear transformations and matrices, and are used extensively in many areas of machine learning, including feature extraction, dimensionality reduction, and clustering. In simple terms, eigenvalues and eigenvectors are the building blocks of linear transformations. Eigenvalues represent the scaling factor by which a vector is transformed when a linear transformation is applied, while eigenvectors represent the directions in which the transformation occurs. In this post, you will learn about why and when you need to use Eigenvalues and Eigenvectors? As a data scientist/machine learning Engineer, one must …
Z-score or Z-statistics: Concepts, Formula & Examples
Z-score, also known as the standard score or Z-statistics, is a powerful statistical concept that plays a vital role in the world of data science. It provides a standardized method for comparing data points from different distributions, allowing data scientists to better understand and interpret the relative positioning of individual data points within a dataset. Z-scores represent a statistical technique of measuring the deviation of data from the mean. It is also used with Z-test which is a hypothesis testing statistical technique (one sample Z-test or two samples Z-test). As a data scientist, it is of utmost importance to be well-versed with the z-score formula and its various applications. Having …
Descriptive Statistics – Key Concepts & Examples
Descriptive statistics is a branch of statistics that deals with the analysis of data. It is concerned with summarizing and describing the characteristics of a dataset. It is one of the most fundamental tool for data scientists to understand the data as they get started working on the dataset. In this blog post, I will cover the key concepts of descriptive statistics, including measures of central tendency, measures of spread and statistical moments. What’s Descriptive Statistics & Why do we need it? Descriptive statistics is used to summarize and describe the characteristics of a dataset in terms of understanding its mean & related measures, spread or dispersion of the data …
Amazon Bedrock to Democratize Generative AI
Amazon Web Services (AWS) has announced the launch of Amazon Bedrock and Amazon Titan foundational models (FMs), making it easier for customers to build and scale generative AI applications with foundation models. According to AWS, they received feedback from their select customers that there are a few big things standing in their way today in relation to different AI use cases. First, they need a straightforward way to find and access high-performing FMs that give outstanding results and are best-suited for their purposes. Second, customers want integration into applications to be seamless, without having to manage huge clusters of infrastructure or incur large costs. Finally, customers want it to be …
Backpropagation Algorithm in Neural Network: Examples
Artificial Neural Networks (ANN) are a powerful machine learning / deep learning technique inspired by the workings of the human brain. Neural networks comprise multiple interconnected nodes or neurons that process and transmit information. They are widely used in various fields such as finance, healthcare, and image processing. One of the most critical components of an ANN is the backpropagation algorithm. Backpropagation algorithm is a supervised learning technique used to adjust the weights of a Neural Network to minimize the difference between the predicted output and the actual output. In this post, you will learn about the concepts of backpropagation algorithm used in training neural network models, along with Python …
SVM RBF Kernel Parameters: Python Examples
Support vector machines (SVM) are a popular and powerful machine learning technique for classification and regression tasks. SVM models are based on the concept of finding the optimal hyperplane that separates the data into different classes. One of the key features of SVMs is the ability to use different kernel functions to model non-linear relationships between the input variables and the output variable. One such kernel is the radial basis function (RBF) kernel, which is a popular choice for SVMs due to its flexibility and ability to capture complex relationships between the input and output variables. The RBF kernel has two important parameters: gamma and C (also called regularization parameter). …
I found it very helpful. However the differences are not too understandable for me