Character definition for data set elements naming

Character definition

We recommend to use only alphanumeric characters and the underscore “_” character in the strings of your data set.

Unfortunately, in the Monolix2016R1 suite, special characters such as spaces ” “, stars “*”, parentheses “(“, brackets “[“, dashes “-“, dots “.” and slashes “/” are not supported in:

  • The headers
  • The strings in CAT column.

Please be careful that if your data set includes unsupported characters, the error will only de detected and displayed when loading a saved project (and not when creating and saving the project).

This feature is back in MonolixSuite2018R1.

On the use of “.”

The “.” can be used in almost all the lines of the data set but has several meaning depending on the context. The following table summarizes the use of it.

Type of column Not allowed Considered as a regular string   Considered as  Not considered
ID X
OCCASION X
TIME X
DATE/DAT1/DAT2/DAT3 X
OBSERVATION On a response line On a dose line
YTYPE On a response line On a dose line (not read)
CENSORED 0
LIMIT  -Inf if CENS =1 , +Inf if CENS = -1
AMOUNT On a dose line On a response line (not read)
ADM On a dose line On a response line
STEADY STATE 0
ADDL 0
INTERDOSE INTERVAL 0
CONTINUOUS COVARIATE Previously defined value of the COV (in the ID/OCC)
CATEGORICAL COVARIATE X
REGRESSOR Interpolation on a dose line, NaN on a response line
EVID  X
MDV  X