sturges.freq {agricolae} | R Documentation |
Number classes: k = 1 + 3.33 log10 (N).
sturges.freq(x)
x |
vector |
x |
Numeric |
Felipe de mendiburu
Reza A. Hoshmand. 1988. Statistical Methods for Agricultural Sciences, Timber Press, Incorporated, pag 18-21.
polygon.freq
, table.freq
, stat.freq
,
intervals.freq
, graph.freq
, join.freq
,
ojiva.freq
, normal.freq
library(agricolae) data(natives) attach(natives) classes<-sturges.freq(size) # information of the classes breaks <- classes$breaks breaks #startgraph # Histogram with the established classes h<-graph.freq(size,breaks,frequency=1, col="yellow",axes=FALSE, xlim=c(0,0.12),main="",xlab="",ylab="") axis(1,breaks,las=2) axis(2,seq(0,400,50),las=2) title(main="Histogram of frequency\nSize of the tubercule of the Oca", xlab="Size of the oca", ylab="Frequency") #endgraph