Preparing Data for Analysis with JMP, livre ebook

Access and clean up data easily using JMP®!

Data acquisition and preparation commonly consume approximately 75% of the effort and time of total data analysis. JMP provides many visual, intuitive, and even innovative data-preparation capabilities that enable you to make the most of your organization's data.

Preparing Data for Analysis with JMP® is organized within a framework of statistical investigations and model-building and illustrates the new data-handling features in JMP, such as the Query Builder. Useful to students and programmers with little or no JMP experience, or those looking to learn the new data-management features and techniques, it uses a practical approach to getting started with plenty of examples. Using step-by-step demonstrations and screenshots, this book walks you through the most commonly used data-management techniques that also include lots of tips on how to avoid common problems.

With this book, you will learn how to:

• Manage database operations using the JMP Query Builder
• Get data into JMP from other formats, such as Excel, csv, SAS, HTML, JSON, and the web
• Identify and avoid problems with the help of JMP’s visual and automated data-exploration tools
• Consolidate data from multiple sources with Query Builder for tables
• Deal with common issues and repairs that include the following tasks:
  • reshaping tables (stack/unstack)
  • managing missing data with techniques such as imputation and Principal Components Analysis
  • cleaning and correcting dirty data
  • computing new variables
  • transforming variables for modelling
  • reconciling time and date
• Subset and filter your data
• Save data tables for exchange with other platforms