article thumbnail

What is Alteryx certification: A comprehensive guide

Pickl AI

The platform employs an intuitive visual language, Alteryx Designer, streamlining data preparation and analysis. With Alteryx Designer, users can effortlessly input, manipulate, and output data without delving into intricate coding, or with minimal code at most. What is Alteryx Designer?

article thumbnail

Predicting Heart Failure Survival with Machine Learning Models — Part II

Towards AI

(Check out the previous post to get a primer on the terms used) Outline Dealing with Class Imbalance Choosing a Machine Learning model Measures of Performance Data Preparation Stratified k-fold Cross-Validation Model Building Consolidating Results 1. Data Preparation Photo by Bonnie Kittle […]

professionals

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

Artificial Intelligence Using Python: A Comprehensive Guide

Pickl AI

Data Preparation for AI Projects Data preparation is critical in any AI project, laying the foundation for accurate and reliable model outcomes. This section explores the essential steps in preparing data for AI applications, emphasising data quality’s active role in achieving successful AI models.

article thumbnail

Sales Prediction| Using Time Series| End-to-End Understanding| Part -2

Towards AI

Data Preparation — Collect data, Understand features 2. Visualize Data — Rolling mean/ Standard Deviation— helps in understanding short-term trends in data and outliers. The rolling mean is an average of the last ’n’ data points and the rolling standard deviation is the standard deviation of the last ’n’ points.

article thumbnail

The AI Process

Towards AI

Data description: This step includes the following tasks: describe the dataset, including the input features and target feature(s); include summary statistics of the data and counts of any discrete or categorical features, including the target feature. Training: This step includes building the model, which may include cross-validation.

AI 81
article thumbnail

Master the Power of Machine Learning with PyCaret: A Step-by-Step Guide

Mlearning.ai

Table of Contents Introduction to PyCaret Benefits of PyCaret Installation and Setup Data Preparation Model Training and Selection Hyperparameter Tuning Model Evaluation and Analysis Model Deployment and MLOps Working with Time Series Data Conclusion 1. or higher and a stable internet connection for the installation process.

article thumbnail

Understanding and Building Machine Learning Models

Pickl AI

Key steps involve problem definition, data preparation, and algorithm selection. Data quality significantly impacts model performance. Cross-Validation: Instead of using a single train-test split, cross-validation involves dividing the data into multiple folds and training the model on each fold.