Business Intelligence, How To, Statistical Analysis, Web Intelligence

Correlation Analysis and SAP Web Intelligence

Correlation Analysis is a well-known analytical technique used to test if there is a relation between two quantities, for example did a marketing campaign lead to an increase in sales or as the price of one stock rises and falls does the price of another stock also rise or fall in synch. Determining if there… Continue reading Correlation Analysis and SAP Web Intelligence

Business Intelligence, How To, Information Management, SAP Data Services

Automated Unit Testing in SAP Data Services. Part II

The previous article provided an introduction to unit testing in general covering the purpose and benefits of unit testing. This article now looks at a method of unit testing that can be utilised in a SAP DataServices project. First we’ll discuss what objects are candidates for unit testing and then look at how we implement… Continue reading Automated Unit Testing in SAP Data Services. Part II

Business Intelligence, Delivery Methodology, Information Management, SAP Data Services

Automated Unit Testing in SAP Data Services. Part I

Introduction One of the key drivers of this article is that although there are many articles on unit testing in general on internet there are hardly any on unit testing with SAP DataServices. Unit testing has been accepted as a key part of the software development lifecycle for projects building applications in languages such as… Continue reading Automated Unit Testing in SAP Data Services. Part I

Business Intelligence, Statistical Analysis

Getting Started with Statistics – a key part of Business Intelligence

A key part of our work in Business Intelligence is the analysis of data and the branch of mathematics that we employ for this is statistics. We analyse data to understand our business better and when analysing the data our main objective is to pick out the reality from the background noise. For example when… Continue reading Getting Started with Statistics – a key part of Business Intelligence

Delivery Methodology, Information Management, SAP Data Services

SAP Data Services: 10 Reasons for never using Global Variables (and one where you can)

In software programming it is widely held that using global variables or other constructs to maintain global state is a poor programming practice[1] and many of those reasons can also be applied to development of jobs in SAP Data Services. The following is my list of 10 reasons for why you should never use global… Continue reading SAP Data Services: 10 Reasons for never using Global Variables (and one where you can)

Statistical Analysis

Overview of Moving Averages

Introduction A moving average is a simple technique for smoothing random data. Most often we find moving averages to analyse movement of stock prices but we also see them in other areas of business and data analysis. This is the first part of a series of two articles. This article discusses what are moving averages… Continue reading Overview of Moving Averages

How To, Statistical Analysis, Web Intelligence

Calculating Moving Averages in Web Intelligence

Introduction The previous article looked at what moving averages are and how to calculate them. This article now looks at how to implement these in Web Intelligence. The formula used here are compatible with the XIr3 version of SAP BOE however some formula may work in previous versions if available. We'll begin by looking at… Continue reading Calculating Moving Averages in Web Intelligence