Editing legend (text) labels in ggplot

The tutorial @Henrik mentioned is an excellent resource for learning how to create plots with the ggplot2 package. An example with your data: this results in: As mentioned by @user2739472 in the comments: If you only want to change the legend text labels and not the colours from ggplot’s default palette, you can use scale_color_hue(labels = c(“T999”, “T888”)) instead … Read more

SummarySE (Rmisc package) to produce a barplot with error bars (ggplot2)

Both the code variants that you posted won’t work because they are using the function summarySE() wrongly: Version 1: You use Family as the measurement variable, which means that you ask the function to give you mean, standard deviation, etc. of Family. Version2: You correctly group by Family, but now you supply many measurement variables. This does not work because summarySE() expects a … Read more

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Error in ggplot.data.frame : Mapping should be created with aes or aes_string

The error (in the title of the post) arises because you have too many arguments to ggplot. As the comments to the question note, the pipeline %>% implicitly includes the output from the left-hand side of the pipe as the first argument to the function on the righthand side. This code replicates the same kind of error. (I’ve … Read more

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Non-numeric Argument to Binary Operator Error in R

Because your question is phrased regarding your error message and not whatever your function is trying to accomplish, I will address the error. – is the ‘binary operator’ your error is referencing, and either CurrentDay or MA (or both) are non-numeric. A binary operation is a calculation that takes two values (operands) and produces another value (see wikipedia for more). + is … Read more

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R Hex to RGB converter

Based on the comments already given, you can use this code: However, looking at your requested result, it seems that you have the alpha-value as first hex-number in your x – so you need to create a substring:

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