File:Logit-probit.svg

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Original file (SVG file, nominally 630 × 630 pixels, file size: 37 KB)

Summary

Description
English: Comparison of logit and scaled probit (scaling = 1/sqrt(pi/8)).
Date
Source Created using R
Author Benwing
SVG development
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 The SVG code is valid.
 This chart was created with R.

Source code

The logo of R – programming language for statistical analysis
The logo of R – programming language for statistical analysis
This media was created with R (programming language for statistical analysis)
Here is a listing of the source used to create this file.

Deutsch  English  +/−

y=seq(-6,6,len=101)
svg("logit-probit.svg")
par(cex=1.5,mai=c(0.8,0.8,0.1,0.1))
plot.new(); plot.window(c(0,1),range(y))
box(lwd=0.3); axis(1, at=seq(0,1,len=5)); axis(2)
abline(h=0,v=0.5,lty=3)
lines(plogis(y),y,lwd=3,col="royalblue")
lines(pnorm(y*sqrt(pi/8)),y,lty=3,lwd=3,col="tomato")
legend("bottomright", c("logit", "probit (scaled)"), col = c("royalblue","tomato"), lty=c(1,3),lwd=3)
dev.off()

Licensing

Benwing, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
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26 March 2012

37,382 byte

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0359ba377c50ec68acf9aa48cf7dbc20100996a7

File history

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Date/TimeThumbnailDimensionsUserComment
current10:39, 28 June 2012Thumbnail for version as of 10:39, 28 June 2012630 × 630 (37 KB)wikimediacommons>Smason79rewrite maths to improve numerical precision

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