rad_to_deg
radial
radioButton
radioButtonGrp
radioCollection
radioMenuItemCollection
rampColorPort
rand
randomizeFollicles 
randstate
rangeControl
readTake
rebuildCurve
rebuildSurface
recordAttr
recordDevice
redo
reference
referenceEdit
| referenceQuery
refineSubdivSelectionList
refresh
refreshAE
registerPluginResource
rehash
reloadImage
removeJoint
removeMultiInstance
removePanelCategory
rename
renameAttr
renameSelectionList
renameUI
render
renderGlobalsNode
renderInfo
renderLayerButton
renderLayerParent
| renderLayerPostProcess
renderLayerUnparent
renderManip
renderPartition
renderQualityNode
renderSettings
renderThumbnailUpdate
renderWindowEditor
renderWindowSelectContext
renderer
reorder
reorderDeformers
requires
reroot
resampleFluid
resetAE
resetPfxToPolyCamera
resetTool
resolutionNode
| retarget
reverseCurve
reverseSurface
revolve
rgb_to_hsv
rigidBody
rigidSolver
roll
rollCtx
rootOf
rot
rotate
rotationInterpolation
roundConstantRadius
rowColumnLayout
rowLayout
runTimeCommand
runup
|
indicates a MEL script