Hello All,*
*I want to draw a histogram with density curve. *
*For that simply i created a data called*"x" *and i used the function called
* hist(x, col = "blue", freq = FALSE),** *from this function i got a
histogram*.
*After that , i tried this function* ** lines(density(x), col = "red", lwd
= 2 ) *but i could not get the density curve.
So, Again i used other function* curve(dnorm, col = 2, add = TRUE)**
*instead of the previous function for density curve.
but still am getting error in R like this:
Error in plot.xy(xy.coords(x, y), type = type, ...)
plot.new has not been called yet"
* I have used below codes to have a data and histogram with density curve"
x <- rnorm(200)
hist(x, col = "blue", freq = FALSE)
lines(density(x), col = "red", lwd = 2)
*
or
* x <- rnorm(200);
hist(x, freq = FALSE, col = "grey");
curve(dnorm, col = 2, add = TRUE)
*
please give your valuable inputs
Thanks in advance...
--
*Best Regards,
Reka.
*
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