Now that you are convinced to use the Power BI tools, how can you translate your actual work in this new environment? You should see this session as a shortcut to unlock your new superpower on your usual context and save a lot of time.
Forget all about Vlookup, complicated macros, unreachable data sources, and unreadable tables.
We will translate them into PowerBI solutions and demonstrate the benefit of it.
3. About
Isabelle Van Campenhoudt
3
Data Platform MVP, Brussels
Consultant, Speaker Trainer, Community Leader
SQL server since 1999
SharePoint BI & Power BI since it starts
Blog: theSQLGrrrl.wordpress.com
ivc@shareql.com
Twitter: @theSQLgrrrl
http://GUSS.pro
SQL
BI
Tuning
Architecture
Coffee making
8. What are
Excel
Heroes
expected
to do?
Complex calculation with formulas
and functions
Create usable connected information
Provide graph, charts and analysis
Collect, import information from
others files and combine them
Automate the process
Distribute and refresh their
results
9. Complex calculation with formulas and
functions
Create usable connected information
Provide graph, charts and analysis
Collect, import information from
other files and combine them
Automatethe
process
Distribute and refresh their results
Let’s organize our Heroes tasks
12. Excel import of data
• Copy paste from another worksheet
• Use linked workbooks and Sheets
• Old import function
• Data connections
• Power Pivot wizard
• Power Query
14. Cleaning and Transformation of data
Excel
Flash fill
Functions (trim, left)
Replace (manual)
Skills or work
No guidance
Macro’s & VBA
Power Query ☺
Power Query
Auto fill, split, clean, create
Conversion
Transform , Unpivot
Parameters
As a Function
Reusable
Complex language M
16. Cells, Table, Pivot etc…
Cells
unrelated
information
references
Table
related
information
in cells
Pivot
table
Matrix of
related
cells
Data
Model
Power pivot
Related
tables
New
Dynamic
array
23. Functions & Formulas
Excel functions
• Cell reference
• Range of cells as
reference.
• Explicitly applied
DAX functions
• Column as reference
---calculated
columns
• Table as reference -
-- measure
• Implicitly applied
when put on a visual
25. Aggregations
Excel
• Formulas
• Functions SUM AVG COUNT and
their child (xxxA, xxBLANK,
xxxIF)
• Apply to specified ranges
• Pivot Table for implicit
usage
• Power Pivot & Data Model
Power BI & Power Pivot
• Implicit
• Default aggregation are
applied trough the data model
• SUM, AVG, COUNT, Distinct
Count
• Use DAX to create values
• Calculated columns are
applied row by rows
• Measures are applied by
context-- junction of applied
relations
26. Time Intelligence
Excel
•Date & Time
function
“static”
Power BI & Data
Model (DAX)
•35 Functions
so far
•Automatic date
time
31. Excel Data Visualization
Power View
is
deprecated
and out of
the
roadmap
Excel 2016 introduced new chart types
waterfall
box and
whisker
histogram Tree map
Office
365
Funnel
36. Refresh of Data
Excel
•Data Connections
•Refresh On
opening
•Third tool
•Macros --
scheduled
Power BI
•Import, direct
query, live
•Publication
•Data gateway
•Schedule