data visualization

Humans presented data in tabular format already in the ancient times. Thus, sometimes we can be deluded that structuring and reading tables is intuitive and does not require...

When we want to include a lot of values in a table, in several various cross-sections e.g. by time, region, type of phenomenon, we have several approaches to choose from.

A waterfall graph, otherwise known as a cascade chart, may mean very little to those of us from outside the financial services industry.

Speedometers, or gauges, are very intuitive hence their popularity in dashboarding. But they evoke mixed feelings among analysts.

Before starting a more complex data analysis, it is worth taking a closer look at variable distributions which are of interest to us.

Multiple response sets often form the basis for further detailed questions about opinions on selected products.

In today's post we will combine the classic (and timeless) with the modern (but not worse).

The dashboard is a form of reporting, which allows the analyst to convey information in a concise way.

Surveys often use questions where respondents assess different elements on the same scale.

When analysing data on migration, transport, international trade, or traffic on a website, you are often faced with the problem of visualising the flow between the analysed units.

Frequency, group structure, or percentage share analysis is one of the first tasks of an analyst.