___________________________________________________________________
 |                                                                 |
 |                          CMT PCMT DATA ITEM                     |
 |_________________________________________________________________|

 MEANING: Compartment (CMT)  and  Prediction  Compartment  (PCMT)  data
 items for PREDPP
 CONTEXT: $INPUT record and NONMEM data set

 USAGE:
 $INPUT ... CMT PCMT ...

 DISCUSSION:
 CMT and PCMT label PREDPP's compartment (CMT) and prediction  compart-
 ment  (PCMT)  data  items.  The compartment and prediction compartment
 data items are optional.  They may be  used  separately  or  together.
 Their meanings depend on the particular kind of event record.

 Observation Event:
      CMT specifies the number of the observation compartment (the com-
      partment  whose scaled drug amount appears as F in the error rou-
      tine).  When this number is that of the output compartment, it is
      allowed  to  have  a negative sign, in which case the output com-
      partment is turned off after F is obtained.  By  convention,  the
      number  of  the  output  compartment may also be given by the CMT
      data item as the number 100 (this is true regardless of the  type
      of the event record).  When CMT is 0, the default compartment for
      observations is used.
      PCMT is ignored.

 Dose Event:
      CMT specifies the number of the compartment into which  the  dose
      is  introduced.  The dose compartment is turned on if it was pre-
      viously off.  When CMT is 0, the default  compartment  for  doses
      receives the dose.
      PCMT specifies the number of the compartment for which an F value
      is  computed.  When PCMT is 0, the default compartment for obser-
      vations is used.

 Other-Type Event:
      A positive value of CMT specifies a compartment to be turned on.
      A negative value of CMT specifies a compartment to be turned off.
      When CMT is 0, no change is made in the status  of  any  compart-
      ment.
      PCMT is the same as for dose events.

 Reset Event:
      CMT is ignored.
      PCMT is the same as for dose events.

 Reset-Dose Event:
      CMT and PCMT are the same as for dose events.

REFERENCES: Guide VI Section V.H


  
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