OBIEE -Time Series in OBIEE.txt

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* Home * DATAWAREHOUSE * ORACLE DATABASE * OBIEE o OBIEE 10G o OBIEE 11G * OBIA o OBIA IN WINDOWS o OBIA IN LINUX o OBIA IN UNIX * INFORMATICA * DAC * CONTACT * Home * Features o Shortcodes o Slideshow o Wallpaper Ad o Full Width Page o Archives Page o Homepage Blog o No Leaderboard o Typography * Business * Entertainment o Blogs o Columnists + Max Mag Staff * Sports o Blogs o Columnists * Fashion * Tech * Travel * Food All About Data Warehousing and Business Intelligence A blog where you can explore everything about Datawarehouse,Oracle,OBIA, OBIEE,Informatica,ODI,DAC and many more datawarehouse products and tools.... * Support Center Don't miss * Why Data warehouse Posted 13 days ago * OBIA 7.9.6.3 Installation Posted 125 days ago * What is OBIEE? Posted 1 days ago * OBIEE 11G Architecture Posted 10 days ago * * * * * * * *Tuesday, 27 August 2013 OBIEE -Time Series in OBIEE ------------------------------------------------------------------------*Kashif M* on 01:54------------------------------------------------------------------------Time Series in obieeTimeseries functions present the capability to evaluate and comparingbusiness performance by current period of time to previous time periods,allowing you to analyze data for multiple time periods.*/Comparison between 10g and 11g/*** Only two series functions like AGO, TO DATE In answer side we don't have the option to implement timeseries functions Only in RPD level have the function of time series in 10g Three time series functions like AGO, TO DATE, PERIOD ROLLING Here in answer side we have the function to implement timeseries functions Both RPD and Answer side have the functions of time series in 11gProcedures where same for AGO and TODATE function in 10g as well as 11g.** ** ** *1. Ago:***Ago time series function defines the sale or revenue of businessstatistics according to the period over months or year. It calculatesthe last year amount on the same date of present year.***Syntax:***Ago (, , ) ***Measure:*A measure column which you to make use in thisfunction * **Level:*** On which level you want to calculate thismeasure. This level is selected from the Time Dimension hierarchy ***Number of Period:*A numerical value which will go for howmany levels you want to go before from current time.*Description:***Ago is the function to calculate the revenue over the period, itrequires the measure column, level of hierarchy, and how many periods ofrevenue you need.Measureshould be summed up sum function in the logical column.Hierarchyis used here in ago function are time dimension hierarchy only.For example: time dimension hierarchy created likeYear Quarter Month DaySo according to the year if we need the sales or revenue means justassign the ago function like this Ago (Revenue, year, 1) thisdenotes the last year revenue value.*For Example Look Below screen shots:*******Look the vales for the year 2005**Look the values for the year 2006

Using ago function in logical columns, we have to show the fact valuefor 2005 in the year of 2006 with new column.

You can use this level of hierarchy as well as year also. Here I amgoing to calculate for the sale before 12 months from the present month.In the levels tab you must have the select the any column key asChronological Key .

Compile and save the rpd. Login to answer side and clear cache andmanage session and reload the server metadata.And see the report. We can see the 2005 year values in 2006 yearaccording to the month.

*/The same thing I'm doing in OBIEE 11g RPD side (Admin):/****OBIEE 11g** Answer side:*** *_ _**2.TO DATE:*TODATE function is used to calculate the revenue for 2 months or 3months from the beginning time of the year. A time series aggregationfunction that aggregates a measure attribute from the beginning of aspecified time period to the current time. For example, this functioncan calculate Year to Date sales.If we need to see the revenue up to now (Current Month) @ Year. Forexample we are in the month of august means it calculates the revenuefrom starting of the year January to august.*Syntax:*ToDate (, ) * Measure:*A measure column which you to make use in this function * Level:*On which level you want to calculate this measure. Thislevel is selected from the Time Dimension hierarchy*Description:***ToDate ("SH"."SALES"."AMOUNT_SOLD, "SH"."Time Dimension"."Year) With the above example 'Amount Sold' Column is the measure and'Year' is the level which will calculate the measure from the beginningof the year to a specified time.*Example:* Create a logical column and use the ToDate function tocalculate the revenue according to the month wise.

Just look and compare in answer side with actual value and To datecalculated value.

the above picture you can see 2 columns one is Actual sum and actual _YTD.For January the Actual sum is -1162298.2 and actual_YTD is-1162298.2For February the Actual sum is -1325146.4 and actual_YTD is calculatedby Jan+Feb = -3572256.2 and same for all the other months. So it calculated by month + month. *Period rolling a new feature present in OBIEE 11g:*Period rolling is the time series function which is used to calculatethe revenue over the period for months and year from starting year ormonth and ending period or month. Interval of calculation of the measure.This function allows us to create a aggregated measure across aspecified set of query grain period, rather than within a fixed timeseries grain. The common use of this function is to create a RollingAverage such '10-Week Rolling Average'***Syntax:****Period Rolling (, , )** Measure: *represents the logical measure column from which youwant to derive* Starting Period Offset: *identify the first period used in therolling aggregation* Ending Period Offset: *Identify the last period used in the rollingaggregation* For e.g.: *Period Rolling ( "SH"."SALES"."AMOUNT_SOLD", -2, 0) With the above example I'm creating three months rolling sum ofcolumn 'Amount Sold. It includes past two months with the current month.The numerical value '-2' in the offset indicates the month Jan-12,Feb-12 if our current month is 'Mar-12'.The numerical value '0' in theoffset indicates the Current Month*Note:*Period Rolling( ) function which will not the calculate the Average sumof three months for the measure. Average (AVEG ( ) function in OBIEE)computes the average of the database rows accessed at the storage grain.So If you want to calculate the 3-Month sales average for the aboveexplained Period Rolling *example *we have to write the syntax like below:3-Month Sales Average =(Period Rolling (SH"."SALES"."AMOUNT_SOLD", -2, 0))/3*Example:*We have the measure columns Actual _sum, using this column I used periodrolling for 2 months before from the current month. So it shouldcalculate the current month by summing of previous 2 months. Forreference I created the period rolling function in answer side andcalculated see the below pictures.*Period rolling (ADSS.Actual_sum,-2, 0)*

See in the result tab:

Check here, the period rolling values should add the 2 months values +current month.January Actual sum -1162298.2 period rolling -1162298.2February Actual sum -1084811.6 period rolling (AddedJan+Feb)=-2247109.8March Actual sum -1325146.4 period rolling (summedJan+Feb+March)=-3572256.2April Actual sum -1203334.7 Period rolling (SummedFeb+March+April)=-3613292.OBIEE 11G

* * * * 1 *Kashif*Kashif: _OBIEE -Time Series in OBIEE_Review : Kashif | < http://www.mkashu.blogspot.com >Update: 01:54 | Rating: 4.5

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* About Me My Photo Kashif M I'm Kashif, Certified OBIEE Consultant working with 7stl in Chennai. I am here to share my experience, ideas, thoughts and issues while working with Oracle and in Data warehousing products. View my complete profile * * Followers * Home * About * Support Center Copyright 2014 Mkashu. Designed by Templateism

OBIEE -Time Series in OBIEE.txt

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