Data Analysis

COUNTIF in Excel

Practical functions in Excel: COUNTIF explained

What is COUNTIF? With Excel, Microsoft provides a helpful spreadsheet program. The application combines numerous functions – most of which many users are unaware of. It therefore makes all the more sense to learn more about it and use the program for more than just creating tables. The COUNTIF function helps you create statistics, for example. We explain clearly how to use COUNTIF correctly in...

What is data-driven marketing?

Data-driven marketing: from big data to smart data

Throughout the internet, users leave behind digital footprints: whether it’s while browsing your favourite sites, taking a look at different products or offers, or even just googling an address. With the help of analyses and algorithms, data-driven marketing makes it possible to connect the dots and find relationships. Marketers are able to extract important information from these findings in...

Kibana tutorial

Kibana dashboard tutorial for beginners

If large amounts of data have to be indexed and structured, the license-free engine, Elasticsearch, is a popular solution. The Kibana web interface is often used to present the processed data in an appealing form. Together with Elasticsearch and Logstash, this forms the so-called ELK stack. In our Kibana tutorial, we explain step by step how to get the server application Kibana up and running and...

DWH | What is a data warehouse?

Data warehouse systems: get success with big data analysis

More and more businesses are adopting dispositive data with the aim of making strategic decisions shaped by reports, prognoses, and patterns. The database is usually supplied by an information system that functions as a central data repository, separate from a data operating system. This is known as a data warehouse, or a DWH for short. A data warehouse is a modularly built system made up of...

What are web analytics?

Website optimisation: how to use web analytics

Which parts of my site are the most effective? How do my customers navigate from A to B? How do visitors find my site, and what makes them leave again? For all these questions and more, web analytics can provide the answers. Web analysis tools such as Google Analytics use sophisticated technology to track all actions on your website and allow you to draw insightful conclusions about your target...

Dynamic pricing

Dynamic pricing: what is it exactly?

Dynamic pricing allows prices for products and services to be quickly adjusted at any time, and enables providers to flexibly respond to factors like supply and demand – and to actively influence them in order to increase revenue. Major online retailers like Amazon also use dynamic pricing, sometimes altering their prices several times a day. What is dynamic pricing exactly and is it possible to...

Buyer personas for optimal targeting

Buyer personas: Getting to know your customers better

When it comes to online marketing, data is what counts most today. But what good is the information you have collected and analysed if you address indefinite groups of people in your messages? It is better to identify the people behind the data set and focus on them. Creating concrete buyer personas helps to better align marketing measures with the target group.

File manager for Android: The best apps

File manager for Android – the best alternatives to the standard app

Managing files and folder on Android devices can quickly become a tedious affair. One the one hand, the integrated file manager app (only since Android 6.0 “Marshmallow”) is well hidden in the settings of the operating system, and on the other hand, it only has the basic functions available – which is why many users rely on third-party applications from the Google Play Store. But what exactly sets...

Measuring success: Instagram statistics & analysis tools

Instagram for business – part 3: measuring success

Monitoring success is an indispensable part of advertising, and social media marketing with Instagram is no different. Without analysis, you lose the overview as well as optimisation potential, and your hard-won followers might withdraw. If you want to prevent this, you should keep a close eye on your account - with Instagram statistics or an Instagram follower analysis.

What is Process mining?

Process Mining

Process mining applications provide methods with which you can reconstruct and visualise processes using event data. The goal is to prepare implicit process knowledge in such a way that you make it available to employees and applications as explicit knowledge. Read how this works and what advantages and disadvantages are associated with it.


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