charts

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

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

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.

Hierarchical data can be presented using various visualisations. Today’s article will focus on the hierarchical graph.

In the previous PS blog “Trees that grow out of tables”, Janusz Wachnicki described how a good understanding of the humble crosstab can help us utilise classification trees more...

You may not know this but this year is the 217th birthday of the humble pie chart. Its first known, and purposeful, application was the visualisation of the geographical...

When it comes to charts ‘less’ is not necessarily better and ‘more’ can often lead to more functional data visualisation.

What data can we show on a regular bar chart? How many variables can we use? For those who answered ‘not enough’ the Marimekko chart may be the answer.

Tabular presentation is one of the most universal reporting techniques.

When presenting results, we often employ various types of charts that best suit the data. We want the presentation to be captivating.