Alexa, Amazon’s cloud-based voice service that powers voice experiences on millions of devices including Amazon Echo, Echo Dot, and Fire TV devices. Alexa has a number of built-in skills that enable customers to interact with devices using voice. Skills are like apps for Alexa. …

A chatbot is a service or tool that allows one to communicate via a chat interface. Chatbot understands what you are trying to imply and replies with a relevant message or directly completes the desired task for you. In a project, we have created an Amazon Lex chatbot, named GiftCard…

Task-1: Dataset Description using Orange tool. What is need to be done to improve the accuracy of classification result of the given dataset? Get the maximum classification accuracy possible by performing following methods. →Pre-processing o Encoding o Normalization o Missing value handling o Feature Selection Compare your accuracy with and…

Data Science is rapidly becoming one of the most widely used technologies, and it is assisting governments in maintaining transparency, becoming far more efficient, and boosting the economy and productivity. Using statistics, data preparation, predictive modeling, and machine learning, it attempts to resolve various problems within different areas and the…

Using image data, predict the gender and age range of an individual with Python. — Age and Gender have always been important features of our identity. It is also an important factor in our social life. Predictions of age and Gender made with AI can be applied to many areas such as intelligent human-machine interface development, security, cosmetics, electronic commerce. Computer Vision is the field…

Data Reduction using Variance Threshold, Univariate Feature Selection, Recursive Feature Elimination, PCA. — When building a machine learning model in real-life, it’s almost rare that all the variables in the dataset are useful to build a model. Adding redundant variables reduces the generalization capability of the model and may also reduce the overall accuracy of a classifier. Furthermore adding more and more variables…

Generate a report that contains various visualizations. — A Power BI report is a multi-perspective view of a dataset, with visuals that represent different findings and insights from that dataset. It can have a single visual or pages full of visuals. Power BI reports are essentially graphics that help describe the dataset. …

In continuation with my previous blog, here I will create dashboards in Power BI for the model we generated before. A dashboard is a visual display of all of your data. It usually sits on its own page and receives information from a linked database. …

Prepare data for analysis and model data in Power BI. — Power BI is a business analytics software used to create & publish reports and data stories from your data sets. You can make highly interactive, engaging, and powerful reports, dashboards, or visuals with Power BI. …