Dear [R] people
Could you please help with following data transformation.
Any suggestions, hints, references and even guessing on performing any
of the following steps are highly appreciated. Those transformations are
crucial for my work. 

(n_, _n, j_, k_ signify numbers)

SOURCE DATA:   
id      cycle1  cycle2  cycle3  …       cycle_n
1       c       c       c               c
1       m       m       m               m
1       f       f       f               f
2       m       m       m               NA
2       f       f       f               NA
2       c       c       c               NA
3       a       a       NA              NA
3       c       c       c               NA
3       f       f       f               NA
3       NA      NA      m               NA
...........................................



RESULT DATA1:
id      cyc1    cyc2    cyc3    …       cyc_n
1       cfm     cfm     cfm             cfm
2       cfm     cfm     cfm             NA
3       acf     acf     cfm             NA
...........................................


RESULT DATA2:
id      treatment
1       n_cfm
2       j_cfm
3       2acf->k_cfm
...................


RESULT DATA3:
id      regimen numOfCycles
1       cfm     n_
2       cfm     j_
3       asf->cfm        {2+k_}
.............................



Thank you
Denis

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