graph.freq | R Documentation |

In many situations it has intervals of class defined with its respective frequencies. By means of this function, the graphic of frequency is obtained and it is possible to superpose the normal distribution, polygon of frequency, Ojiva and to construct the table of complete frequency.

```
graph.freq(x, breaks=NULL,counts=NULL,frequency=1, plot=TRUE, nclass=NULL,
xlab="",ylab="",axes = "",las=1,...)
```

`x` |
a vector of values, a object hist(), graph.freq() |

`counts` |
frequency and x is class intervals |

`breaks` |
a vector giving the breakpoints between histogram cells |

`frequency` |
1=counts, 2=relative, 3=density |

`plot` |
logic |

`nclass` |
number of classes |

`xlab` |
x labels |

`ylab` |
y labels |

`las` |
values 0,1,2 and 3 are the axis styles. see plot() |

`axes` |
TRUE or FALSE |

`...` |
other parameters of plot |

`breaks` |
a vector giving the breakpoints between histogram cells |

`counts` |
frequency and x is class intervals |

`mids` |
center point in class |

`relative` |
Relative frequency, height |

`density` |
Density frequency, height |

Felipe de Mendiburu

`polygon.freq`

, `table.freq`

,
`stat.freq`

,`inter.freq`

,`sturges.freq`

,
`join.freq`

,`ogive.freq`

, `normal.freq `

```
library(agricolae)
data(genxenv)
yield <- subset(genxenv$YLD,genxenv$ENV==2)
yield <- round(yield,1)
h<- graph.freq(yield,axes=FALSE, frequency=1, ylab="frequency",col="yellow")
axis(1,h$breaks)
axis(2,seq(0,20,0.1))
# To reproduce histogram.
h1 <- graph.freq(h, col="blue", frequency=2,border="red", density=8,axes=FALSE,
xlab="YIELD",ylab="relative")
axis(1,h$breaks)
axis(2,seq(0,.4,0.1))
# summary, only frecuency
limits <-seq(10,40,5)
frequencies <-c(2,6,8,7,3,4)
#startgraph
h<-graph.freq(limits,counts=frequencies,col="bisque",xlab="Classes")
polygon.freq(h,col="red")
title( main="Histogram and polygon of frequency",
ylab="frequency")
#endgraph
# Statistics
measures<-stat.freq(h)
print(measures)
# frequency table full
round(table.freq(h),2)
#startgraph
# ogive
ogive.freq(h,col="red",type="b",ylab="Accumulated relative frequency",
xlab="Variable")
# only .frequency polygon
h<-graph.freq(limits,counts=frequencies,border=FALSE,col=NULL,xlab=" ",ylab="")
title( main="Polygon of frequency",
xlab="Variable", ylab="Frecuency")
polygon.freq(h,col="blue")
grid(col="brown")
#endgraph
# Draw curve for Histogram
h<- graph.freq(yield,axes=FALSE, frequency=3, ylab="f(yield)",col="yellow")
axis(1,h$breaks)
axis(2,seq(0,0.18,0.03),las=2)
lines(density(yield), col = "red", lwd = 2)
title("Draw curve for Histogram")
```

Embedding an R snippet on your website

Add the following code to your website.

For more information on customizing the embed code, read Embedding Snippets.