On Nov 19, 2009, at 12:23 PM, Richard M. Heiberger wrote:
Robert Terwilliger wrote:
Dear R experts,
I have a so-called person-level data frame that I need to transform
into a person-period data frame.
If the lingo is unclear, the data have one row for each subject, with
repeated measures dat
Robert Terwilliger wrote:
Dear R experts,
I have a so-called person-level data frame that I need to transform
into a person-period data frame.
If the lingo is unclear, the data have one row for each subject, with
repeated measures data each in a separate column.
I need to transform these data
Dear R experts,
I have a so-called person-level data frame that I need to transform
into a person-period data frame.
If the lingo is unclear, the data have one row for each subject, with
repeated measures data each in a separate column.
I need to transform these data so that each subject has mul
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