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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