Data visualization is only as effective as the quality of data behind it. In SAP Lumira, a powerful self-service visualization tool, cleaning and preparing data is a critical step that ensures accurate, insightful, and actionable visual representations. This article explores the essential practices and features within SAP Lumira to clean and prepare data before building compelling visualizations.
Raw data from enterprise sources often contains inconsistencies, missing values, duplicates, and irrelevant information. Visualizing such data without preprocessing can lead to misleading conclusions and poor decision-making. Preparing your data in SAP Lumira helps:
SAP Lumira can connect to various data sources such as:
Once connected, the data can be imported into SAP Lumira for cleaning and preparation.
SAP Lumira provides an overview of the dataset, showing statistics such as data types, distribution, and missing values. This profiling helps identify data quality issues early.
Users can filter out irrelevant records or sort data to prioritize important fields, ensuring only meaningful data is visualized.
Lumira allows users to identify null or empty values and decide how to handle them—by removing, imputing, or flagging them for further review.
You can create calculated columns, merge columns, or split fields to shape data appropriately for analysis. For example, extracting month and year from a date field or combining first and last names.
Correcting inconsistent data entries, such as fixing misspelled categories or standardizing units of measurement, is straightforward within Lumira.
SAP Lumira supports combining multiple datasets via joins or unions, allowing comprehensive analysis across various business functions.
Suppose you want to visualize monthly sales performance. Raw sales data might contain missing entries, inconsistent product codes, and separate date fields. In SAP Lumira, you would:
After these steps, the data becomes ready to create accurate charts and dashboards.
Effective data visualization starts with clean, well-prepared data. SAP Lumira offers a robust set of tools to help users profile, cleanse, transform, and merge data effortlessly. By investing time in proper data preparation, organizations ensure that their visualizations provide true insight and drive better business decisions.
Harnessing these capabilities within SAP Lumira empowers users to become self-sufficient in analytics and create compelling visual stories that resonate across the enterprise.
Author: [Your Name]
Subject: SAP-Lumira
Category: Data Preparation and Visualization
Date: May 2025