I don't know how to change the code so that the y-axis in the barPlot shows completely? I expect it to show up to 10 as I have a 9.2 in my data points but it shows only up to 8. Any idea what's the hack to this?

Here's the code:

And here's what it shows:

Answer:

just set the `ylim = c(0, 10)`

like the way you changed the `xlim`

Whatever the axis that the groups go on isn't drawn by default, so a vertical bar plot won't have x-axis; horizontal won't have y-axis. You can add that of course. Use the return value of `barplot`

:

```
par(mfrow = c(2, 1))
bp <- barplot(c(8, 5), width = .5, main = 'Feature Exploration', xlim = c(0,4), ylim = c(0, 10),
ylab = 'Errors (%)', xlab = 'ML Models', col = c('gray27','orangered4'))
## this will draw the x-axis but at points 1, 2, 3, ... which is not
## where the centers of your bars are plotted; you get that info in bp
axis(1)
bp <- barplot(c(8, 5), width = .5, main = 'Feature Exploration', xlim = c(0,4), ylim = c(0, 10),
ylab = 'Errors (%)', xlab = 'ML Models', col = c('gray27','orangered4'))
## so try again with a fancy axis, bp is a matrix containing the centers
## of the plotted bars
axis(1, at = bp, labels = c('Model1','Model2'), lwd = 0, lwd.ticks = 1, tcl = -.5)
```

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