If you have multiple scales, you may use multiple scale functions to adjust them! For example: There are others, but these are the most-often used.īe sure that you use the correct function for the scale! Otherwise your scale command will not appear to change anything. The third part, the METHOD, will be either _discrete(), continuous(), _date(), _gradient(), or _manual() depending on the class of the column and how you want to control it.The second part, the AESTHETIC, should be the aesthetic that you want to adjust the scale for ( _fill_, _shape_, _color_, _size_, _alpha_…) - the options here also include _x_ and _y_.The scale functions of ggplot() have 3 parts that are written like this: scale_AESTHETIC_METHOD(). You can control the scales with the appropriate scales_() function. If you have multiple aesthetics mapped to columns, your plot will have multiple scales. values depending on the class of the assigned column. See above how the scale can be continuous, discrete, date, etc. x =, y =, fill =, color =…), your plot will gain a scale/legend. Once you map a column to a plot aesthetic (e.g. 46 Version control and collaboration with Git and Github.33 Demographic pyramids and Likert-scales.19 Univariate and multivariable regression.
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