Dear group,

I am trying to prepare a NONMEM friendly dataset for population PK
analysis. My patient IDs are 10 digit long and NONMEM is losing precison
and rouding the last couple of digits.  I need to generate unique Patient
IDs fromt he current 10-digit IDs.  Ihave total 250 subjects so I
appreciate if anybody can suggest me a way to code this in R.

Regards,
Ayyappa

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