Power bi

Power BI
Presented by ,
Lakshmi Prasanna.Kottagorla
Application Development Analyst

Agenda
 what is Power BI
 Power BI Architecture
 A deeper look at the parts of Power BI:
 Power BI Desktop
 Power BI Service
 Power BI Mobile
 Power BI Embedded
 Power bi sample report design creation
 Power bi database connectors
 Types of DAX Functions in Power Bi
 Publishing & scheduling the Power Bi reports
 Power BI Advantages & Disadvantages
 Q & A

what is Power BI ??
 Power BI is a business analytics service provided by
Microsoft.
 By using power bi service end users can create
reports and dashboards by themselves, without
having to depend on technology developers.

A deeper look at the parts of Power BI:
Power BI Desktop
 Power BI Desktop provides advanced query,
modelling, and report creation features that
enables you to build data models, create
reports,
 We can share our work by publishing the .pbix
files into Power BI service.
 Power BI Desktop is a free download
software.
 Software path :
https://powerbi.microsoft.com/en-us/desktop/

 Power BI is a cloud-based business
analytics service that enables anyone to
visualize and analyse data with greater
speed, efficiency, and understanding.
 Users can create dashboards on their own
basing on their needs at that particular point
of time .
Power BI Service

Power BI Mobile
 Everyone. With the Microsoft Power BI app
for Android phones, you can monitor and
access your business data anywhere,
anytime.
 Easily view and interact with your Power
BI dashboards, share them with your
colleagues, and discover insights in minutes.
... On your phone, present and explore your
data in new ways.
 Set alerts that allow for proactive
engagement
 Offline cache for dashboard consumption
without an internet connection.

Power BI Embedded
 Power BI Embedded is an Azure service
that enables application developers to
add interactive Power BI reports into their
own applications.
 Power BI Embedded works with existing
applications

Power bi sample report design creation Requirements
 Need to understand the business requirement
 Need to understand the databases which are going to usable
 Need to understand the DAX formulas which will be helpful .
 Meet the user perceptive .

Types of DAX Functions in Power Bi
 Aggregation functions
 Counting functions
 Logical functions
 Information functions
 Text functions
 Date functions

Aggregation functions
These functions work only
on numeric columns, and
generally can aggregate only
one column at a time.
oSUM
oAVERAGE
oMIN
oMAX
oSUMX (and other X functions)
Counting functions
These functions
count different elements,
such as distinct values,
non-empty values, and
table rows.
oCOUNT
oCOUNTA
oCOUNTBLANK
oCOUNTROWS
oDISTINCTCOUNT
Logical function
We can use operators (such
as &&) when you need more than
two conditions in your formula
o AND
o OR
o NOT
o IF
o IFERROR

Information functions
There is value in
knowing the data type of
your columns ahead of
time, rather than
depending on these
functions to provide the
data type.
o ISBLANK
o ISNUMBER
o ISTEXT
o ISNONTEXT
o ISERROR
Text functions
These text work very
similarly to the Excel
functions that have the
same name.
o CONCATENTATE
o REPLACE
o SEARCH
o UPPER
o FIXED
Date functions
These functions are
useful to calculate and
extract information
from date values.
o DATE
o HOUR
o NOW
o EOMONTH
o WEEKDAY

Examples of Dax Functions:
1) SUM(<COLOUM>)
-- RETURN A DECIMAL NUMBER AFTER SUMMATION OF VALUES IN THE COLUMN
EX: SUM(SALES[AMOUNT])
2) SUM(<TABLE>,<EXPRESSION>)
--RETURN THE SUM OF EXPRESSION EVALUATED FOR EACH ROW IN THE TABLE
EX: SUM(FILTER(INTERNETSALES,[INTERNETSALES[SALESTERRITORYID]=5),[FREIGHT])
3) COUNT(<COLOUM>)
--THE COUNT FUNCTION COUNTS THE NUMBER OF CELLS IN A COLUMN THAT CONTAIN NUMBERS
(DATES,TEXT).
EX: COUNT([SHIPDATE])
4) DISTINCTCOUNT(<COLOUM>)
--THE DISTINCTCOUNT FUNCTION COUNTS THE NUMBER OF DIFFERENT CELLS IN A COLUMN OF NUMBERS.
EX: =DISTINCTCOUNT(RESELLERSALES_USD[SALESORDERNUMBER])

Publishing & Scheduling the power bi reports
1.Publish the .pbix file from power bi desktop to power bi service and the path for checking
the published report is “ https://msit.powerbi.com”
2.Giving access to verify the reports for particular users by “Workspace & groups”.
3.Scheduling the reports for daily,weekly bases and send the reports to users through
emails.

Power BI Advantages & Disadvantages
Advantages:
1. The free version reduces acquisition barriers.
2. The DAX (Data Analysis Expressions) scripting language is a relatively simple construct used to create
calculated columns and measures. It's similar to Excel, although while Excel is cell based, DAX is column
based.
3. The dashboard visualizations are best in class and continually updated from the community.
Disadvantages:
1. Dashboards and reports can only be shared with users who have the same email domains or email
domains listed with your Office 365 tenant.
2.Search for long list in slicers is not visible .

Reference:
• Power bi desktop software free download
HTTPS://POWERBI.MICROSOFT.COM/EN-US/DESKTOP/
• POWER BI : By self we can learn power bi from below site
 HTTPS://DOCS.MICROSOFT.COM/EN-US/POWER-BI/GUIDED-LEARNING/
 HTTP://BIINSIGHT.COM/POWER-BI-DESKTOP-QUERY-PARAMETERS-PART-1/#FILTER
 HTTPS://DOCS.MICROSOFT.COM/EN-US/POWER-BI
• For any issue facing at time designing the report with help of powerbi desktop .please find
the below site. we can get some information on issues which are resolved.
HTTPS://COMMUNITY.POWERBI.COM/
• Download the custom visualizations
HTTPS://DOCS.MICROSOFT.COM/EN-US/POWER-BI/POWER-BI-CUSTOM-VISUALS
• Dax functions
HTTPS://WWW.TUTORIALSPOINT.COM/DAX_FUNCTIONS/INDEX.HTM

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