How to Operate with Numbers, Strings and Rules

<p><strong>How to Operate with Numbers, Strings and Rules</strong></p><p>This workflow shows three different data transformation operations using the Expression node, namely:</p><ol><li><p>Create three categories of people based on their weekly work hours</p></li><li><p>Round up people's age to the nearest 10</p></li><li><p>Replace hyphens with " " characters in the native country column</p></li></ol>