| checkUsage | Check R Code for Possible Problems | 
| checkUsageEnv | Check R Code for Possible Problems | 
| checkUsagePackage | Check R Code for Possible Problems | 
| codetools | Low Level Code Analysis Tools for R | 
| collectLocals | Low Level Code Analysis Tools for R | 
| collectUsage | Low Level Code Analysis Tools for R | 
| constantFold | Low Level Code Analysis Tools for R | 
| findFuncLocals | Low Level Code Analysis Tools for R | 
| findGlobals | Find Global Functions and Variables Used by a Closure | 
| findLocals | Low Level Code Analysis Tools for R | 
| findLocalsList | Low Level Code Analysis Tools for R | 
| flattenAssignment | Low Level Code Analysis Tools for R | 
| getAssignedVar | Low Level Code Analysis Tools for R | 
| isConstantValue | Low Level Code Analysis Tools for R | 
| makeCodeWalker | Low Level Code Analysis Tools for R | 
| makeConstantFolder | Low Level Code Analysis Tools for R | 
| makeLocalsCollector | Low Level Code Analysis Tools for R | 
| makeUsageCollector | Low Level Code Analysis Tools for R | 
| showTree | Print Lisp-Style Representation of R Expression | 
| walkCode | Low Level Code Analysis Tools for R |