This error usually occurs for one of three reasons described in the sections below.
Typo
Most of the time this error occurs because you typed the name of the function incorrectly (notice mispelling of library()).
> libary(NCStats)Error in eval(expr, envir, enclos): could not find function "libary"NCStats is not Loaded
If the problem is not a typo, then this error typically occurs because you do not have a required package loaded. More often than not in this class that means that you did not load NCStats with …
> library(NCStats)If NCStats is not installed on your computer then see this FAQ.
Other Package is not Loaded
Some functions used in this course are contained in other packages, most of which are loaded when NCStats is loaded. However, some of these functions will required that the other package be installed and loaded. Installation of these packages in this FAQ. Packages are loaded with library() as demonstrated above for NCStats.