Why do we use SAP Lumira as BI tool?
It allows you to predict future outcomes and forecast as per changing market situations.
You can create data visualizations and stories from multiple data sources.
It helps you to adapt data to organizational needs to create stories with visualizations.
You can share the visualizations on different platforms like SAP HANA, BO Explorer, Business Objects BI Platform, etc.
What is the use of different tabs in Lumira?
Prepare - This is used to import data set in SAP Lumira. Data cleansing is done and converted into the appropriate measures or attributes for the reports.
You can add new custom calculations here.
Visualize - This tab is used to add graphs and charts on the data that has been imported and organized in Prepare tab. You can add different attributes and measures to Label axis.
Compose - This is used to create stories and presentation, including background colors, titles, pictures, and text.
Share - This tab is used to publish your visualizations to different platforms or with different set of users in BI Repository.
How can you acquire data from an InfoProvider in Lumira dataset?
When you use query with SQL option to acquire data set, you can see few of the connections in red and green. What is the meaning?
To use SQL query to create dataset, go to file New
Click on Query with SQL option to download a dataset and click on Next. JDBC drivers has to be installed for database middleware for using SQL query. The access driver is .jar files you can download from vendor site and copy to driver folder in application path.
Select SQL query, all queries in green presents drivers are installed properly for middleware. Select database middleware for target database and click on Next.
What are the different connection parameters that can be configured while using Query with SQL as data source?
Connection Pool Mode: To keep connection active
Pool timeout: Time duration to keep connection active in minutes.
Array Fetch Size: to determine number of rows to fetch from target database.
Array Bind Size: Larger bind array, more number of rows will be fetched.
Login Timeout: Time before a connection attempts a timeout.
JDBC Driver Properties
What are the different panels in Prepare tab for data cleansing and applying filters?
Dimension and Measure Panel
It contains list of all dimensions and measures acquired in data set. Number in front of each object represents its data type.
You can use different tools in this panel to edit the data objects and to add hierarchies.
Dataset Selector - You can select between multiple datasets or you can also acquire a new dataset using this option.
Filter Bar - This represents filter applied to any dimension in dataset. To add a filter click on the icon in front of dataset and click on Filter.
What is chart canvas?
This is used to create or modify a visualization. You can directly drag attributes and measures to chart canvas or can add to chart builder.
You can add various tools like
·         Sorted by Dimensions
·         Add or Edit a ranking by measures
·         Clear Chart
·         Fit chart to frame
·         Reprompt
·         Refresh
·         Settings
·         Maximize
·         Undo
·         Redo
What are the different chart canvas properties that you can set in Lumira?
·         Chart Canvas Layout
·         Chart Style
·         Template
·         Font Zoom, etc.
Where do you define properties for Chart Canvas?
Go to File Preferences Charts
Here you can define various properties for chart canvas.
What is the use of compose tab?
You can create different stories in SAP Lumira in presentation style document using visualization, graphics and other customizations that has been applied to dataset.
Once you go to compose tab you get multiple options to select an Infographic, Board or a Report.
What are the different chart types in SAP Lumira?
·         Bar Chart
·         Column Chart
·         Radar Chart
·         Pie Chart
·         Donut Chart
·         Tree
·         Scatter Plot
·         Bubble Chart
·         Network Chart
·         And many more
Which chart types are best suited to show correlation between different values?
·         Scatter Plot
·         Bubble Chart
·         Network Chart
·         Numeric Point
·         Tree
What is the use of Geography charts in SAP Lumira? What are different chart types under this category?
It is used to present map of country or globe present in the analysis. Common chart types are −
·         Geo Bubble Chart
·         Geo Choropleth Chart
·         Geo Pie Chart
·         Geo Map
What is Conditional formatting?
It is used to mention critical data points in a chart by different values meeting certain condition. Multiple conditional formatting rules can be applied on measures or dimensions.
Which chart types support conditional formatting in SAP Lumira?
Conditional formatting can be applied on −
·         Bar and Column charts (except 3D column charts)
·         Pie chart
·         Donut chart
·         Scatter chart
·         Bubble chart
·         Cross tab
What is the use of filters?
Filters are used to limit the data in Lumira Visualizations. You can pass various filter conditions to restrict data comes in visualizations and stories.
What is the use of display formatting option in Prepare tab?
You can set the below formatting for an attribute or dimension −
·         Select a Value format
·         Choose a Display format
·         Prefix or suffix
What is the use of hierarchies?
Hierarchies are used to display data at different granularity level and you can drill up/down at different levels for better understanding of relationship between objects.
What is geography hierarchy? How we can create geography hierarchy in dataset?
When data is acquired, application looks for dimension containing location and present with an icon.
Click on option icon in front of a dimension Create a Geographic hierarchy By Names (this option is available only for string dimensions).
New window will open with name Geographical data select the dimension to map to hierarchy and click on Confirm.
What is the meaning of Green, yellow and red while acquiring data for a hierarchy?
Locations mapped exactly are marked with green.
Locations with more than one possible match (for example, if more than one city named London was found) are marked with yellow.
Locations not found in the geographic database are marked with Red.
What is a custom hierarchy?
You can create hierarchies using any available combination of dimensions in acquired dataset.
What is the use of Merge type option in SAP Lumira?
Merge type defines the type of join. You can select from different join types – Inner join, outer join, etc.
What is the different between combine and Append datasets in Lumira?
Merge is used to apply different joins on datasets.
You can use Union operator to append two datasets.
How do you append datasets in Lumira?
To append datasets in Lumira, go to Data Combine Append
To use append, both tables should contain same number of columns and compatible data types. Only compatible data types can be appended.
How do you use measures as dimensions in SAP Lumira charts?
Go to Settings and click on use Measures as dimensions option. Once you select this option, measures are displayed as new measure dimension in Dimension panel.
Is it possible to ass custom charts in SAP Lumira?
You can use SAP Lumira software development kit SDK. You can add custom charts in SAP Lumira using VizPacker and these charts will be added to list of available charts in canvas.
How do you create stories in SAP Lumira in left, right, top and bottom slide show formats in compose tab?
To create a slide show, go to Compose Board Create. You can select different types of charts Left, Right, Bottom, Top, etc.
What are the different formats you can export your data sets in SAP Lumira?
You can save dataset as .csv or. xls file.
To do this go to Share tab and select the dataset from left panel. Go to File Export As
When you publish a dataset to SAP HANA, all the visualizations that are created on dataset are also published?
Select the dataset to be published. Once you select the dataset you will see the options to publish dataset to HANA. Only dataset is published to HANA server and not visualizations.
Can you send visualization in email to other users? What are the different export sizes that can be used?
Yes, you can export a visualization to a printer or can also send in an email to a user. Go to options in a Visualization and click on Send by mail.
Choose an Export Size- Small, Medium, Large
What are the different data sources you can use in Lumira to acquire dataset?
You can use below data sources in SAP Lumira
·         Excel file as a data source
·         Working with CSV files
·         Clipboard
·         Connecting SAP HANA views
·         Universe as a data source
·         Using Query with SQL
·         Using SAP BW InfoProvider as data source
How do use Universes as data source to acquire dataset in SAP Lumira?
Universes that are created with .unx extension using Information Design Tool/.unv files created in UDT and published to BI repository can be used as data source in SAP Lumira.

Go to File New Click on Universe option to connect and to download a dataset.
Request to Download PDF

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