---
title: "Bar Charts"
date: "`r Sys.time()`"
output: 
  flexdashboard::flex_dashboard:
    orientation: rows
    vertical_layout: fill
    theme: journal
    social: menu
    source: embed
---

```{r setup, include=FALSE}
library(flexdashboard)

library(ggplot2)

library(lattice)

library(RColorBrewer)

```


##

### barplot()

```{r barplot,fig.align='center'}
x <- table(mtcars$cyl)

colores <- c("orange","blue","purple")

barplot(x,xlab="Cilindros",ylab="Frecuencias",main="Número de Cilindros",col=colores)
```


### ggplot2

```{r ggplot2,fig.align='center'}
ggplot(mtcars,aes(cyl)) + geom_bar(fill=colores) + labs(x="Cillindros",y="Frecuencias",title="Número de Cilindros") + theme_dark()
```



##

### lattice

```{r lattice,fig.align='center'}
barchart(x,xlab="Cilindros",ylab="Frecuencias",main="Número de Cilindros",col=colores,horizontal=FALSE)
```


### cyl_gear

```{r}
par(mfrow=c(1,2))

x <- table(mtcars$cyl)

colores <- c("orange","blue","purple")

barplot(x,xlab="Cilindros",ylab="Frecuencias",main="Número de Cilindros",col=colores)

y <- table(mtcars$gear)

barplot(y,xlab="Engranajes",ylab="Frecuencias",main="Número de Engranajes",col=rainbow(3))
```


### mtcars_gear

```{r gear,fig.align='center'}
y <- table(mtcars$gear)

barplot(y,xlab="Engranajes",ylab="Frecuencias",main="Número de Engranajes",col=rainbow(3))
```