Displaying 4 results from an estimated 4 matches for "plotdist".
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1999 Jun 28
3
using R interactively
1) Is it possible to erase data points, legends, and/or text
from an R plot?
2) What's the best way to find the closest data point to
what locator() returns?
For more background and some context on these questions, read on...
In using R interactively, I am displaying further details
about a specific data point when the user clicks on the
plot point.
Here's a simple example:
#
2011 Jul 26
2
Beta distribution- help needed
Hi,
Well, i need some help, practical and theoretical. I am wondering why the
fitdistplus (mle function) is returning an error for this code:
[code]
x1 <- c(100,200,140,98,97,56,42,10,2,2,1,4,3,2,12,3,1,1,1,1,0,0);
plotdist(x1);
descdist(x1, boot =1000);
y<- sum(x1);
d= as.vector(length(x1));
for(i in 1:length(x1)){
d[i] = x1[i]/y;
}
fitdist(d, "beta")
[/code]
Error:
Error in fitdist(d, "beta") :
the function mle failed to estimate the parameters,
with the error code 1...
2011 Mar 15
3
fitting a distribution to a ecdf plot
Dear all,
I need to plot an cumulative distribution plot of a variable and then to fit a distribution to that, probably a weibull or lognormal.
I have plotted the ecdf as
> plot(ecdf(x))
but I haven't managed to fit the distribution. I have as well attached the data.
I would appreciate if you could help me on that.
Thank you.
Kind regards
Maria
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2009 Nov 06
4
PRUEBAS DE NORMALIDAD
Estimados todos:
Me es grato escribir a esta lista de ayuda para R, ya que comparto 100% la filosofía de Software libre en especial software en Estadística ya que es la carrera que estoy siguiendo.
El motivo de este mensaje es por un par de dudas que no pude resolver:
1. He utilizado las funciones para realizar pruebas de normalidad (kolmogorov-smirnov, cuando n>50) y (Shapiro, cuando