You can use the country abbreviation or you can use numbers to code the country name. Either way, you are simply naming the different groups of data. Wtih nominal data, the sample is also divided into groups but but without any particular order. Country of residence is an example of a nominal variable. For example, in a survey where you are asked to give your opinion on a scale from “Strongly Disagree” to “Strongly Agree,” your responses are categorical. With categorical data, the sample is often divided into groups and the responses have a defined order.
Pie charts make sense to show a parts-to-whole relationship for categorical or nominal data. The slices in the pie typically represent percentages of the total. Pie charts and types of dataĬategorical or nominal data: appropriate for pie charts If the goal is to show the changes over time for each operating system, a line graph is a better choice. Similarly, we can see that the Android operating system was not in the market until 2008 and comprised more than half the market by 2011. The goal here is to show the parts-to-whole relationship changing over time. We can see how the Windows operating system started out as half of the market share in 2006 and ended with a much smaller market share in 2011.
0 kommentar(er)
