[R] barplot usage

[Antonio Olinto]

Hi,

I’m trying to make a barplot with the following dataframe, with information on
relative frequency per sediment type (ST) for some species:

Species  ST1  ST2  ST3
SP_A     10   60    30
...


At x-axis are (should be ...) the species names and at y-axis the frequency per
sediment, in stacked bars.

I tried to use barplot command but with no results. Could anyone help me on this?

Thanks in advance,

Samantha



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