Good day house.

Please can I plot Bar Chart with significance levels represented by alphabets in R? A file is attached to show the graphical representation of my question.

I came across this bar chart plotted in SPSS representing significance levels with alphabets. I feel it is neat though without indicating specific p values. This is represented in Figure 1

I am used to that of R representing significance levels with '*' and a "line" across the pairs being compared. Though unlike Figure 1 the number of * indicates the p value for the groups being compared. This is shown in Figure 2.

Can R be used to plot Figure 1?

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