Ggplot2 doesn’t provide an easy facility to plot multiple variables at once because this is usually a sign that your data is not “tidy”. Pivoting longer: turning your variables into rows Here is a way to achieve to plot them efficiently using R and ggplot2. For example, a randomised trial may look at several outcomes, or a survey may have a large number of questions. p.label., sep = "~`,`~" ) ), label.x = 3 ) # Color by groups and facet #:::::::::::::::::::::::::::::::::::::::::::::::::::: sp <- ggscatter ( df, x = "wt", y = "mpg", color = "cyl", palette = "jco", add = "reg.line", conf.int = TRUE ) sp + stat_cor ( aes (color = cyl ), label.In exploratory data analysis, it’s common to want to make similar plots of a number of variables at once. # Use R2 instead of R ggscatter ( df, x = "wt", y = "mpg", add = "reg.line" ) + stat_cor ( aes (label = paste (. #> ℹ The deprecated feature was likely used in the ggpubr package. #> ℹ Please use `after_stat(r.label)` instead. # Load data data ( "mtcars" ) df Warning: The dot-dot notation (`.r.label.`) was deprecated in ggplot2 3.4.0. That define both data and aesthetics and shouldn't inherit behaviour from If FALSE, overrides the default aesthetics, It can also be a named logical vector to finely select the aesthetics to NA, the default, includes if any aesthetics are mapped.įALSE never includes, and TRUE always includes. Should this layer be included in the legends? If FALSE (the default), removes missing values with a warning. "jitter" to use position_jitter), or the result of a call to a Position adjustment, either as a string naming the adjustment "point" rather than "geom_point") position Ggproto Geom subclass or as a string naming the geom stripped of the The geometric object to use to display the data, either as a Use (e.g.) 0.0001 to show 4ĭecimal places of precision. Precision for the correlation coefficient. r.accuracyĪ real value specifying the number of decimal places of Places (round) or significant digits (signif) to be used for the correlationĬoefficient and the p-value, respectively. output.typeĬharacter One of "expression", "latex", "tex" or "text". Numeric Coordinates (in data units) to be usedįor absolute positioning of the label. 'middle') for x-axis ii) and one of c( 'bottom', 'top', 'center', 'centre', Coordinates to be used for positioning the label,Įxpressed in "normalized parent coordinates".Īllowed values include: i) one of c('right', 'left', 'center', 'centre', Vector of the same length as the number of groups and/or panels. Separate the correlation coefficient and the p.value. Uppercase andĪ character string to separate the terms. "rho" (spearman coef) and "tau" (kendall coef). Must be one of "two.sided" (default), "greater" or "less". One of "pearson" (default), "kendall", orĪ character string specifying the alternative hypothesis, methodĪ character string indicating which correlation coefficient (orĬovariance) is to be computed. A function can be createdįrom a formula (e.g. Seeįortify() for which variables will be created.Ī function will be called with a single argument, All objects will be fortified to produce a data frame. If NULL, the default, the data is inherited from the plotĭata as specified in the call to ggplot().Ī ame, or other object, will override the plotĭata. You must supply mapping if there is no plot Inherit.aes = TRUE (the default), it is combined with the default mappingĪt the top level of the plot. Set of aesthetic mappings created by aes().
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