data visualisation Flashcards
what is the 2 purposes of data visualisation?
-Data analysis process
-Report writing and publication process
Describe data analysis process
-Check that the assumptions have been met
-Understand the relationships between variables before inferential analyses
Describe report writing and publication process
-Show clear relationships between variables
-Help the reader interpret the data in the way you want them to
What can a histogram and a boxplot help with?
-Can be useful for checking data assumptions before running statistical tests
What can a bar chart and a clustered bar chart help with?
-Help to summarise lots of descriptive statistics
What can scatterplots help with?
-Look at relationships between variables
-Check assumptions (sometimes)
What makes a good graph according to Tufte (2001) and the APA (2021)?
-Images are clear
-Units of measurements provided
-Axes labelled clearly
-Elements in figure are labelled/explained
-No distortion of data
-Avoid chartjunk
Define what chartjunk is?
-The use of unnecessary or misleading elements in the design of a graph
What are tables good for>
-Useful for summarising lots of numerical information in one go