What do waterfalls have to do with data visualization?
A waterfall graph, otherwise known as a cascade chart, may mean very little to those of us from outside the financial services industry.
Read moreHow to prepare for reliability analysis?
The area of reliability analysis is of interest first of all to those who plan to use scales and indices in their studies, namely more complex indicators than a single survey question.
Read moreThermometers on dashboards
What are the markers of a good dashboard? Why use a thermometer in it?
Read moreReduction of multidimensionality
Is a simple two-dimensional coordinate system always enough for us?
Read moreBullet graph
How can we improve a bar chart? Of course, it depends on what we want to achieve.
Read moreWhen letters count in a table
A common task analysts are often faced with is to establish whether there are any relationships between variables and, if there is a, what is the nature of the relationship.
Read moreThree ways to perceive reliability
When measuring a phenomenon, you need to select the right tool. To measure temperature, you use a thermometer; alcohol content in breath is measured with an alcometer; and weight, with bathroom scales. In survey research, the measuring tool is the questionnaire and its questions. To measure the age…
Read moreDashboarding – reporting for decision-making
The dashboard is a type of panel board, a control panel, or instrument board.
Read moreIs gambling addictive? What if the respondent has no opinion?
The standard approach to investigating a single categorical variable involves a few elements.
Read moreTrees that grow from tables
When stepping outside the domain of distributive and descriptive statistics for individual variables, we usually take interest in correlations between variables.
Read moreWeights and tables
When creating a table, you can present weighted or unweighted data. As usual, the answer depends on the situation. You will get my meaning in a minute, but first, let me explain briefly what weighting adjustment is.
Read moreMultiple choice: which percentage base to use?
Multiple choice questions where the respondent may select more than one answer are commonly used in surveys. How should the responses to such questions be presented in a table? In this post we will present two methods and discuss the differences between them and when to use them.
Read moreCross-selling and tables
What combination of products frequently end up in a shopper's basket? What services are usually bought together by consumers?
Read moreThe Marimekko chart or analytical patchwork
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.
Read moreCrosstabs as charts: introducing the contingency map
Tabular presentation is one of the most universal reporting techniques.
Read moreHow to change how we think about visualization?
When presenting results, we often employ various types of charts that best suit the data. We want the presentation to be captivating.
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