Data sourcing: pros and cons of desk research
What is data? What is data needed for? Can data be divided according to specific criteria ? Does data only come from surveys?
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Consumer shopping value analysis using regression trees. Part 1
How can we estimate the potential value of consumer shopping, predict the behavior of a visitor to our website, or reduce the risk of credit losses?
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How to boost a decision tree algorithm
The decision tree is a popular and effective algorithm used primarily in classification work, but it also serves well in predicting quantitative phenomena. The charm of methods based on decision trees comes mainly from the fact that they present us with a set of convenient decision, or business rul…
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Basics of a questionnaire survey with PS QUAESTIO PRO
The goal of computer software is to support the user at work. The PS QUAESTIO PRO platform is no different.
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Shopping for a mountain trip: analysis of multiple response sets
Multiple response sets often form the basis for further detailed questions about opinions on selected products.
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SNA or network as an analytical object
Today, we will look into Social Network Analysis (SNA), or Social Relation Analysis.
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When is a value ‘good’ or ‘bad’? About thresholds and alerts in dashboards
The dashboard is a form of reporting, which allows the analyst to convey information in a concise way.
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Tables for multiple questions measured using the same scale
Surveys often use questions where respondents assess different elements on the same scale.
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Sankey diagram
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.
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