File:Logistic-sigmoid-vs-scaled-probit.svg

Original file ‎(SVG file, nominally 630 × 630 pixels, file size: 133 KB)

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Summary

Description

English: Comparison of logistic sigmoid and scaled probit (scaling = sqrt(pi/8)).

Created using the following R code:

Source Code

x=-100:100/10
svg("logistic-probit.svg")
par(cex=1.5,mai=c(0.8,0.8,0.1,0.1))
plot(x,plogis(x),type="l",xlab="", ylab="",lwd=2)
points(x,pnorm(sqrt(pi/8)*x),type="l",lty=3,col="red",lwd=2)
legend("bottomright", c("logistic", "inverse probit\n(scaled)"), col = c("black","red"), lty=c(1,3),lwd=2)
dev.off()

Date

25 March 2012

Source

Created using R

Author

Benwing

Other information

Licensing

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File history

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	Date/Time	Dimensions	User	Comment
current	05:55, 26 March 2012	630 × 630 (133 KB)	Benwing	add axis marks, change to blue, wider lines
	05:25, 26 March 2012	630 × 630 (44 KB)	Benwing	Remove extra stuff around margins
	05:14, 26 March 2012	630 × 630 (54 KB)	Benwing	Make text and line widths bigger, simplify/correct some of the text
	03:52, 26 March 2012	630 × 630 (61 KB)	Benwing	{{subst:Upload marker added by en.wp UW}} {{Information \|Description = {{en\|Comparison of logistic sigmoid and scaled probit (scaling = sqrt(pi/8))}} \|Source = Created using R \|Date = 2012-03-25 \|Author = Benwing }} ;Other information...