s.traject {ade4} | R Documentation

## Trajectory Plot

### Description

performs the scatter diagram with trajectories.

### Usage

    s.traject(dfxy, fac = factor(rep(1, nrow(dfxy))),
        ord = (1:length(fac)),  xax = 1, yax = 2, label = levels(fac),
        clabel = 1, cpoint = 1, pch = 20, xlim = NULL, ylim = NULL,
        grid = TRUE, addaxes = TRUE, edge = TRUE, origin = c(0,0),
        include.origin = TRUE, sub = "", csub = 1, possub = "bottomleft",
        cgrid = 1, pixmap = NULL, contour = NULL, area = NULL, add.plot = FALSE)

### Arguments

`dfxy` | a data frame containing two columns for the axes
`fac` | a factor partioning the rows of the data frame in classes
`ord` | a vector of length equal to fac. The trajectory is drawn in an ascending order of the ord values
`xax` | the column number for the x-axis
`yax` | the column number for the y-axis
`label` | a vector of strings of characters for the point labels
`clabel` | if not NULL, a character size for the labels, used with `par("cex")*clabel`
`cpoint` | a character size for plotting the points, used with `par("cex")*cpoint`. If zero, no points are drawn
`pch` | if `cpoint` > 0, an integer specifying the symbol or the single character to be used in plotting points
`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
`edge` | if TRUE the arrows are plotted, otherwhise only the segments
`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 `par("cex")*csub`
`possub` | a string of characters indicating the sub-title position ("topleft", "topright", "bottomleft", "bottomright")
`cgrid` | a character size, parameter used with `par("cex")*cgrid` to indicate the mesh of the grid
`pixmap` | aan 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 line (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

### Author(s)

Daniel Chessel chessel@biomserv.univ-lyon1.fr

### Examples

    rw <- function(a){
        x <- 0
        for(i in 1:49) x <- c(x,x[length(x)] + runif(1,-1,1))
        x
    }
    y <- unlist(lapply(1:5, rw))
    x <- unlist(lapply(1:5, rw))
    z <- gl(5,50)
    s.traject(data.frame(x,y), z, edge = FALSE)

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