Category Archives: plotting data

Modelling – examining correlations: first, look at predictor distributions

This post will take a more in-depth look at the relationships between variables. A key property of experimental data is that we measure attributes – characteristics of people,  stimuli, and behaviour – and that those measurements (the numbers) vary. Numbers … Continue reading

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Getting started – positioning and getting multiple plots on one page, output as a pdf

This post assumes you know how to set a working directory, load a data file, and run a ggplot() function call to create a histogram using geom_histogram, as discussed here. What are going to do in this post is expand … Continue reading

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Getting started – a quick word on destinations – plotting

A critical reason for learning to use R is the superior capacity that affords to visualize data. If you learn to plot data with R you are learning to plot data using the best tools now available. There are four … Continue reading

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Plot your data

I would start plotting my data almost from the beginning. You can get an impression of how powerful the visualization capacity of R is from this gallery. There are multiple systems for doing graphics in R (cf. in SPSS where you … Continue reading

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