How can I use apply function to plot multiple graphs from same dataframe?

Question

I am new to R and was wondering if there was a way I can simplify my code using an apply function.

In my datafram there are 15 columns - y, a, b, c, d, e, f, g, h, i, j .... o

Instead of:

plot (y~a)
plot (y~b)
.
.
.
plot (y~o)

Is it possible to simplify using an apply function or some other method to enact "plot" over mutiple columns?

Does this same same post answer your question

Daniel_j_iii
– Daniel_j_iii

2020-08-02 11:05:55 +00:00
Commented Aug 2, 2020 at 11:05 — Daniel_j_iii
– Daniel_j_iii, Commented Aug 2, 2020 at 11:05

Cole · Accepted Answer · 2020-08-02 01:18:53Z

1

There is probably a better solution with ggplot2 but since this is not a reproducible example, here is an approach with matplot():

matplot(x = mtcars[, "carb"], 
        y = mtcars[c("drat", "wt")],
        type = "b",
        pch = 1,
        xlab = "carb",
        ylab = "drat and wt")

The issue with apply() or other base functions is that you would need to determine ahead of time what the xlim and ylim are ahead of time. Otherwise your plots will vary and not look great. That's why ggplot2 has some great features but I would need some sample data, first.

edited Aug 2, 2020 at 1:18

answered Aug 2, 2020 at 1:11

Cole

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