Description Usage Arguments Value Author(s) Examples

performs the scatter diagrams with representation of point classes.

1 2 3 4 5 6 7 | ```
s.class(dfxy, fac, wt = rep(1, length(fac)), xax = 1,
yax = 2, cstar = 1, cellipse = 1.5, axesell = TRUE,
label = levels(fac), clabel = 1, cpoint = 1, pch = 20,
col = rep(1, length(levels(fac))), xlim = NULL, ylim = NULL,
grid = TRUE, addaxes = TRUE, origin = c(0,0),
include.origin = TRUE, sub = "", csub = 1, possub = "bottomleft",
cgrid = 1, pixmap = NULL, contour = NULL, area = NULL, add.plot = FALSE)
``` |

`dfxy` |
a data frame containing the two columns for the axes |

`fac` |
a factor partitioning the rows of the data frame in classes |

`wt` |
a vector of the point weightings of the data frame used for computing the means (star centers) and the ellipses of dispersion |

`xax` |
the column number of x in |

`yax` |
the column number of y in |

`cstar` |
a number between 0 and 1 which defines the length of the star size |

`cellipse` |
a positive coefficient for the inertia ellipse size |

`axesell` |
a logical value indicating whether the ellipse axes should be drawn |

`label` |
a vector of strings of characters for the point labels |

`clabel` |
if not NULL, a character size for the labels, used with |

`cpoint` |
a character size for plotting the points, used with |

`pch` |
if |

`col` |
a vector of colors used to draw each class in a different color |

`xlim` |
the ranges to be encompassed by the x, if NULL they are computed |

`ylim` |
the ranges to be encompassed by the y, if NULL they are computed |

`grid` |
a logical value indicating whether a grid in the background of the plot should be drawn |

`addaxes` |
a logical value indicating whether the axes should be plotted |

`origin` |
the fixed point in the graph space, for example c(0,0) the origin axes |

`include.origin` |
a logical value indicating whether the point "origin" should be belonged to the graph space |

`sub` |
a string of characters to be inserted as legend |

`csub` |
a character size for the legend, used with |

`possub` |
a string of characters indicating the sub-title position ("topleft", "topright", "bottomleft", "bottomright") |

`cgrid` |
a character size, parameter used with par("cex")* |

`pixmap` |
an object 'pixmap' displayed in the map background |

`contour` |
a data frame with 4 columns to plot the contour of the map : each row gives a segment (x1,y1,x2,y2) |

`area` |
a data frame of class 'area' to plot a set of surface units in contour |

`add.plot` |
if TRUE uses the current graphics window |

The matched call.

Daniel Chessel

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | ```
if(!adegraphicsLoaded()) {
xy <- cbind.data.frame(x = runif(200, -1, 1), y = runif(200, -1, 1))
posi <- factor(xy$x > 0) : factor(xy$y > 0)
coul <- c("black", "red", "green", "blue")
par(mfrow = c(2, 2))
s.class(xy, posi, cpoi = 2)
s.class(xy, posi, cell = 0, cstar = 0.5)
s.class(xy, posi, cell = 2, axesell = FALSE, csta = 0, col = coul)
s.chull(xy, posi, cpoi = 1)
par(mfrow = c(1, 1))
## Not run:
data(banque)
dudi1 <- dudi.acm(banque, scannf = FALSE)
coul = rainbow(length(levels(banque[, 20])))
par(mfrow = c(2, 2))
s.label(dudi1$li, sub = "Factorial map from ACM", csub = 1.5,
possub = "topleft")
s.class(dudi1$li, banque[, 20], sub = names(banque)[20],
possub = "bottomright", cell = 0, cstar = 0.5, cgrid = 0, csub = 1.5)
s.class(dudi1$li, banque[, 20], csta = 0, cell = 2, cgrid = 0,
clab = 1.5)
s.class(dudi1$li, banque[, 20], sub = names(banque)[20],
possub = "topright", cgrid = 0, col = coul)
par(mfrow = c(1, 1))
par(mfrow = n2mfrow(ncol(banque)))
for(i in 1:(ncol(banque)))
s.class(dudi1$li, banque[, i], clab = 1.5, sub = names(banque)[i],
csub = 2, possub = "topleft", cgrid = 0, csta = 0, cpoi = 0)
s.label(dudi1$li, clab = 0, sub = "Common background")
par(mfrow = c(1, 1))
## End(Not run)
}
``` |

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