Can someone help with a fairly simple task?
I have a data set where I would like to insert a 0 time event between 
individuals:

what I have:

VAR     DATE    TIME  CONC COVAR
1       NOV2    0.25    10      group1
1       NOV2    0.5     20      group1
1       NOV2    1       5       group1
1       NOV2    2       1       group1
1       NOV2    3       0.1     group1
2       NOV2    0.25    10      group2
2       NOV2    0.5     20      group2
2       NOV2    1       5       group2
2       NOV2    2       0.5     group2
2       NOV2    3       0.01    group2
.
.
1000    NOV2    3       10      group2


...to what I would like to have:
VAR     DATE    TIME  CONC COVAR
1       NOV2    0       0       group1
1       NOV2    0.25    10      group1
1       NOV2    0.5     20      group1
1       NOV2    1       5       group1
1       NOV2    2       1       group1
1       NOV2    3       0.1     group1
2       NOV2    0       0       group2
2       NOV2    0.25    10      group2
2       NOV2    0.5     20      group2
2       NOV2    1       5       group2
2       NOV2    2       0.5     group2
2       NOV2    3       0.01    group2
.
.
1000    NOV2    0       0       group2
1000    NOV2    3       10      group2

Any help would be appreciated.
Thanks,
Kyle


The information of this email and in any file transmitted with it is strictly confidential and may be legally privileged.
It is intended solely for the addressee. If you are not the intended recipient, any copying, distribution or any other use of this email is prohibited and may be unlawful. In such case, you should please notify the sender immediately and destroy this email.
The content of this email is not legally binding unless confirmed by letter.
Any views expressed in this message are those of the individual sender, except where the message states otherwise and the sender is authorised to state them to be the views of the sender's company. For further information about Actelion please see our website at http://www.actelion.com 



	[[alternative HTML version deleted]]

