U
U.S. Energy Information Administration data
UI:380Uniform distribution
C:595Uniform function
random number generator
C:618Uniit roots
Unit root
Units
field in database query
UI:347Unknown breakpoint test
O:191Unstack
vector into sym matrix
C:754Unweighted least squares
O:243Update
User defined menus
adding data members
0:889clearing data members
0:890extract data members
0:892User specified GMM weight matrix
UII:984User-defined dialogs
C:165User-defined optimization
See Optimization (user-defined).