Let’s assume that your product team wants to categorize items based on their profit margin. Part of data pre-processing is to replace numerical values with descriptive labels. How can you implement this conditional value replacement to quickly identify high-performing and underperforming products? In this tutorial we will use both Power Query and DAX to replace … Read more
As a data analyst, you’re ofte tasked with analyzing performance for Time-based analysis. In a Sales Analysis use case, you have probably a table with daily sales figures, but you might need to group this data by year and month for a more meaningful trend analysis. In this tutorial we will assume a very simple … Read more
A colleague of mine asked how to convert raw sales figures into percentages of total sales for each product category in Power BI. Below is the step-by-step implementation. Converting whole numbers to percentages in Power BI In many real-life data analysis scenarios, we are asked to convert certain measure values to a percentage format for … Read more
How can I filter a column in Power BI based on specific conditions? I have an HR dataset and need to create reports showing only active employees or those meeting certain criteria. What’s the best approach using Power Query and DAX? Conditionally remove column values in Power Query We’ll explore two powerful methods: Power Query … Read more
User Question: “I have a large HR dataset with employee information, but some rows contain irrelevant or outdated data. How can I use Power Query in Power BI to filter out these unwanted rows efficiently?” We often spend significant time out of our data analysis project doing data cleaning and preparation in Power BI. This … Read more
Here’s question from a reader: I have a large dataset in Power BI and need to exclude certain records based on specific criteria. How can I remove data from tables using Power Query and from visualizations without affecting the original data source? Filtering data rows for Power BI tables Power BI offers multiple ways to … Read more
When preparing our data for analysis we often deal blank rows which oftern skew our analysis and visuals. Let’s explore how to efficiently filter out these empty entries using both Power BI and Power Query, ensuring your data is clean and ready for analysis. Assumed data model: HR_Data (EmployeeID: Text, Name: Text, Department: Text, Salary: … Read more
As a data analyst, you’ve created a dashboard containing tables and matrices. Now, you need to share this data with executives who prefer Excel. Let’s walk through the process of exporting your matrix table using Power BI’s “Export data” feature and then converting it to Excel format. In this tutorial we will assume the following … Read more
User Question: “I have name and email columns with inconsistent text formatting in my HR database. How can I standardize the text by converting it to uppercase, lowercase, and proper case in Power BI?” Case transformations in Power Query and Power BI Assumptions We will use the following data model: Table name: EmployeeInfo; Columns: EmployeeID … Read more
I have employee time tracking data, and I need to analyze and visualize work durations in different formats for reporting purposes. Any idea about how to transform duration data to time units? Get time units from time duration in Power BI This tutorial will guide you through the process of transforming duration data into various … Read more