3 messages · Beetle, Dimitris Rizopoulos, Eik Vettorazzi
Hi Guys, I'm a numbie to R. I searched the forum for plotting pdf's of functions but couldn't find one that explained my question. I have been asked to plot the pdf fX(x) = 1/pi(1+x^2). -infinity < x < infinity. I would be greatfull if someone might point me to a webpage that might give me a hand. Kindest regards Beetle
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have a look at ?curve(), e.g., curve((1 + x^2) / pi, -15, 15) I hope it helps. Best, Dimitris
Hi Guys, I'm a numbie to R. I searched the forum for plotting pdf's of functions but couldn't find one that explained my question. I have been asked to plot the pdf fX(x) = 1/pi(1+x^2). -infinity < x < infinity. I would be greatfull if someone might point me to a webpage that might give me a hand. Kindest regards Beetle
Dimitris Rizopoulos Assistant Professor Department of Biostatistics Erasmus University Medical Center Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands Tel: +31/(0)10/7043478 Fax: +31/(0)10/7043014
but this is not a probability density function, since lim(abs(x)-> infty)=infty. But there is just a pair of brackets missing in Beetles post. btw. homework? Dimitris Rizopoulos schrieb:
have a look at ?curve(), e.g., curve((1 + x^2) / pi, -15, 15) I hope it helps. Best, Dimitris Beetle wrote:
Hi Guys, I'm a numbie to R. I searched the forum for plotting pdf's of functions but couldn't find one that explained my question. I have been asked to plot the pdf fX(x) = 1/pi(1+x^2). -infinity < x < infinity. I would be greatfull if someone might point me to a webpage that might give me a hand. Kindest regards Beetle
Eik Vettorazzi Institut f?r Medizinische Biometrie und Epidemiologie Universit?tsklinikum Hamburg-Eppendorf Martinistr. 52 20246 Hamburg T ++49/40/42803-8243 F ++49/40/42803-7790