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
Stat Tools Disclaimer
Discliamer	The views expressed within CTSpedia are those of the author and must not be taken to represent policy or guidance on the behalf of any organization or institution with which the author is affiliated.
Permission	Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT OLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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This topic: CTSpedia > WebHome > StatToolsHome > StatToolsTopic057
Topic revision: 18 Sep 2012, MaryBanach

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