Error in rnorm(1, mean = mean_value, sd = sd_value) :
could not find function "rnorm"
My program was working like a rocket until I updated Rstudio... I tried to fix the path.. nothing works... You see the error I get all the time.. it resisted my fixing.. note the rnorm is the ABC of stats and there's abug in the software.....
The rnorm() function is in the stats package. It seems that is not loaded. Try running these two functions.
search()
options("defaultPackages")
These are the results I get from that immediately after starting RStudio. Do you see stats in your results?
> search()
[1] ".GlobalEnv" "tools:rstudio" "package:stats" "package:graphics"
[5] "package:grDevices" "package:utils" "package:datasets" "package:methods"
[9] "Autoloads" "package:base"
> options("defaultPackages")
$defaultPackages
[1] "datasets" "utils" "grDevices" "graphics" "stats" "methods"
Tried it.... the response to your code was
Error: unexpected '[' in "["
Run just the code, without the output of the code
search()
options("defaultPackages")
I tried it properly... got your exact results as mentioned... and I still get
Error in rnorm(1, mean = mean_value, sd = sd_value) :
could not find function "rnorm"
Do you get the error when running R from a command prompt/terminal (outside RStudio)? If yes, what happens when you run library(stats) in that R session?
No I run it directly form RStudio...
will try from the R Session right now
It works ... The bar graph is perfectly displayed
It works in R... but I am working with my lon time mentor and friend and am running Monte Carlo Simulations... the topic is difficult and my former mentor is now ~ 84 years old... I need to come up with a nice visualization of my findings... I tried to program RStudio to get an Adobe Acrobat Output... Led me to update RStudio... and now my initial programs for my Monte Carlo Sims are no longer working... I can do them in R and find a way to have a user friendly display for my mentor.... he has a problem with his eyes....
Since the problem appears to be with RStudio and not with R, try resetting RStudio's state and see if that clears it up.
No.. resetting the RStudio's State in window explorerdoes not reset Explorer window the RStudio-Desktop directory
Sorry, I'm unable to parse that response. In any case, we need to check a few details. Your first message mentions updating RStudio but your title mentions updating to 4-3-3, which is an R version, not an RStudio version. So here are a few questions.
RStudio Version 2024.12.0 Build 467
Packages tab, if you scroll down near the bottom to the "System Library" section, do you see the "stats" package listed and, if so, what version number is listed and does it have a check mark?
It says Stats 19
The "stats19" package is for " Work with Open Road Traffic Casualty Data from Great Britain". Someone must have installed it in the "User Library". You want to check on the "stats" package, which should be in the "System Library". The "System Library" is below the "User Library", so you need to scroll down further. Be sure to report if there is a check mark in the box.
likely I'm not looking at the right place for the Packages tab, "Stat" Package... how do you access it? thx
When you start RSudio there are four panes. The one in the lower right has tabs for Files, Plots, Packages, Help, Viewer and Presentation. Click on the Packages tab and scroll down.
Just to expand on this, the Packages tab has two parts (basically, packages you added followed by packages that came with R), separately alphabetized. So you have to scroll past where "stats" would be in the first group to get to the second group. We're looking for "stats" in the second group.