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Title: ScatterW Slope

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Type of Tool R-Function
Title ScatterW Slope
Programmer/Email SallyThurston
Contributing Site Rochester
Description The function shows adjusted and/or unadjusted regression lines (optionally with confidence bands) superimposed on a scatterplot of the raw data. The adjusted line shows the predicted line at mean values of all variables in the ``covnames'' arguments. There is considerable flexibility to tailor the plot, including: whether to show adjusted or unadjusted regression lines (or both), with or without confidence bands, whether to include a legend (and the legend location), the plotting symbols and size, title and size, color of lines, whether to print unadjusted and adjusted regression coefficients, and whether to save the plot in a file (if so, as a pdf or eps file).
Example Example code and example graphic
Classification Graph Type Other, Survival Plot
Graph_Type

References

Datasets Other
Data airquality data available in R
Software Program R
Software R version 2.9.0 (2009-04-17)
Macro Parameters ### ARGUMENTS:
### tdat is database
### yname is name of y variable in tdat
### xname is name of x variable in tdat
### covnames is vector of names of remaining variables
### txlab is name to go on x-axis of plot
### tylab is name to go on y-axis of plot
### adjusted=TRUE if want adjusted line
### unadjusted=TRUE if want unadjusted line (note: can show both adjusted and unadjusted)
### col.adj=color to show adjusted regression line (and associated legend)
### col.unadj=color to show unadjusted regression line (and associated legend)
### conf.bands.adj=TRUE if want confidence band for adjusted regression lines
### conf.bands.unadj=TRUE if want confidence band for unadjusted regression lines
### cex.xylab=size of x and y axis labels
### pch.points=plotting character for the points (pch.points=1 is circles)
### cex.points=size of points
###
### (Next arguments apply to optional checks)
### print.results=TRUE means the program will output the sample size and regression summary
### check.line=TRUE means to also show (overlay) the regression line using the abline command
### (in addition to line using predict command: normally this should be FALSE)
### (For the adjusted line, will not be the same unless covnames are centered.)
###
### (Next arguments apply to the case when user wants to save the file)
### save.plots=TRUE means the user wants to create a file of the plot
### type.plots="eps" or "pdf" are the two options if save.plots=TRUE
### basename.plot=base name of the file, e.g. basename.plot=silly and type.plots="pdf" will create silly.pdf
###
### (Next arguments apply to legend showing slope and p-value)
### show.legend=TRUE means put slope and p-value on plot
### legend.loc=location of legend
### cex.legend=size of legend
### round.slope=n means to round slope in legend to n digits (default=2)
R-Code - Attachment Thurston_R-Code_File Scatter W Slope
R-Code

SAS-Code - Attachment

SAS-Code

Stata-Code - Attachment

Stata-Code

Other Code - Attachment

Other Code

Called Data Manipulation

Called Tool/Utility

Called Checking Macro

Called Other

Creation-Date February 13, 2012
Revision-Date

Example Code R Example Code
Example Output R Example Output
SAS Examples

SAS_Example_Code

SAS_Example_Output

R Examples

R_Example_Code Sweave example code for scatterWslope.R
pdf file from Sweave example code
R_Example_Output Example R code for demonstration of scatterWslope.R
pdf file of plot made by scatterWslopeExample.R
Stats Examples

Special Features

Special Features Attached

Special Features Text

Notes1-Legend Section with calls to needed macros
Notes1

Notes2-Legend Macro call with fully specified parameters
Notes2

Notes3-Legend Section with definitions of global macro parameters
Notes3

Notes4-Legend Section with definitions of local macro variables
Notes4

See Also

Checklists

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Topic revision: r11 - 18 Sep 2012 - 11:20:25 - MaryBanach
 

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