Hello friends,

how to show bar labels on top of each bar in a bar plot in Rstudio.

barplot(....)

Thanks,

Amod Shirke

# How to give bar labels using barplot() function in Rstudio

**amodaks10**#1

.

**tbradley**#2

I don't know about doing it with base graphs (i.e. `barplot`

) but you can do it with `ggplot2`

with a combination of `geom_bar`

and `geom_text`

. Here is an example:

```
library(tibble)
library(ggplot2)
library(dplyr)
#>
#> Attaching package: 'dplyr'
#> The following objects are masked from 'package:stats':
#>
#> filter, lag
#> The following objects are masked from 'package:base':
#>
#> intersect, setdiff, setequal, union
df <- tribble(
~x, ~fraction, ~group,
"not_exempt", 0.08, "med_assist",
"not_exempt", 0.04, "hospitilized",
"exempt", 0.09, "med_assist",
"exempt", 0.08, "hospitilized"
)
df %>%
mutate(x = factor(x)) %>%
ggplot(aes(x = x, y = fraction, fill = group)) +
geom_bar(stat = "identity", position = "dodge") +
geom_text(aes(y = fraction + 0.001, label = fraction,
x = if_else(group == "hospitilized", as.numeric(x) - 0.2, as.numeric(x) + 0.2)))
#> Warning: package 'bindrcpp' was built under R version 3.4.4
```

Created on 2018-09-08 by the reprex package (v0.2.0).

Regarding adding bar labels at the top of each bar in ggplot() in Rstudio

**jcblum**#3

Here are a couple of references that show how to add per-bar labels to plots created with base graphics `barplot()`

:

https://stats.idre.ucla.edu/r/faq/how-can-i-add-features-or-dimensions-to-my-bar-plot/

**amodaks10**#4

Thanks jcblum...can you help me with Random forest algorithm...I have got a histogram

of No of nodes v/s No. of trees can we say that the more the no of nodes for the most trees better is the model...as it has analyzed deeply..

Thanks,

Amod Shirke