Description Usage Arguments Details Value Note Author(s) See Also Examples

Creates a wireframe diagramm for an object of class `facDesign`

.

1 2 3 |

`x` |
name providing the Factor A for the plot. |

`y` |
name providing the Factor B for the plot. |

`z` |
name giving the Response variable. |

`data` |
needs to be an object of class |

`xlim` |
vector giving the range of the x-axis. |

`ylim` |
vector giving the range of the y-axis. |

`zlim` |
vector giving the range of the y-axis. |

`main` |
an overall title for the plot: see |

`xlab` |
a title for the x axis: |

`ylab` |
a title for the y axis: |

`zlab` |
a title for the z axis: |

`border` |
numerical value or character string giving the color of the line drawn around the surface facets. |

`sub` |
a sub title for the plot: |

`form` |
a character string or a formula with the syntax “y~ x+y + x*y”. -
“quadratic” -
“full” -
“interaction” -
“linear” -
“fit”
“fit” takes the formula from the fit in the facDesign object fdo. Quadratic or higher orders should be given as I(Variable^2). |

`phi` |
numerical value. Angle (in degree) defining the viewing direction. Phi gives the colatitude. |

`theta` |
numerical value. Angle (in degree) defining the viewing direction. Theta gives the azimuthal direction. |

`ticktype` |
graphical parameter. Character string specifying wheter the ticks on the axes should be “simple” or “detailed” (default). |

`col` |
a predefined (1, 2, 3 or 4) or self defined |

`steps` |
number of grid points per factor. By default |

`factors` |
list of 4th 5th factor with value i.e. factors = list(D = 1.2, E = -1), if nothing is specified values will be the mean of the low and the high value of the factors. |

`fun` |
function to be applied to z “desirability”. |

`plot` |
logical value. If ‘TRUE’ (default) a plot is created (most likely to disappear with time) |

This function can be used to display the desirability of each response by specifying fun = “desirability” or the fun = “overall” (i.e. composed) desirability of all responses. The required desirabilities can be set using `desires`

.

The function `wirePlot()`

returns an invisible list with the following entries:

x - locations of grid lines for x at which the values in z are measured

y - locations of grid lines for y at which the values in z are measured

z - a matrix containing the values of z to be plotted

For an example in context which shows the usage of the function `wirePlot()`

to an object of class `facDesign`

,
please read the vignette for the package `qualityTools`

at http://www.r-qualitytools.org/html/Improve.html.

Thomas Roth [email protected]

`contourPlot`

`filled.contour`

`persp`

http://www.r-qualitytools.org/html/Improve.html

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 | ```
#create a response surface design and assign random data to response y
fdo = rsmDesign(k = 3, blocks = 2)
response(fdo) = data.frame(y = rnorm(nrow(fdo)))
par(mfrow = c(3,2))
#I - display linear fit
wirePlot(A,B,y, data = fdo, form = "linear")
#II - display full fit (i.e. effect, interactions and quadratic effects
wirePlot(A,B,y, data = fdo, form = "full")
#III - display a fit specified before
fits(fdo) = lm(y ~ B + I(A^2) , data = fdo)
wirePlot(A,B,y, data = fdo, form = "fit")
#IV - display a fit given directly
wirePlot(A,B,y, data = fdo, form = "y ~ A*B + I(A^2)")
#V - display a fit using a different colorRamp
wirePlot(A,B,y, data = fdo, form = "full", col = 2)
#V - display a fit using a self defined colorRamp
myColour = colorRampPalette(c("green", "gray","blue"))
wirePlot(A,B,y, data = fdo, form = "full", col = myColour)
``` |

qualityTools documentation built on May 30, 2017, 1:43 a.m.

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