dependent column(s) in data frame

Dear all,

I have a data frame with a status column and some condition columns. (a dput
of part of it is listed below).
I would like to know if:

1) There are more chances to have a "status" of "1" when more than one
conditions have the value of "1" ?   

2) The "status" column is depending on any one or a combination of the
condition columns
Say, do I have a status of "1" whenever condition 2 & 3 (or only condition
2) are met ?

Do you know what type of analysis one can use to do that ?

Thanks in advance,
P

dput(df)
structure(list(status = c(0L, 0L, 1L, 1L, 1L, 0L, 0L, 1L, 0L,
0L, 0L, 0L, 1L, 0L, 1L, 0L, 0L, 0L, 1L, 1L, 0L, 0L, 0L, 1L, 1L,
0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L, 1L, 0L, 1L, 0L,
0L, 0L, 1L, 1L, 0L, 0L, 1L, 0L, 0L), cond.1 = c(0L, 0L, 0L, 1L,
0L, 0L, 1L, 1L, 1L, 0L, 0L, 0L, 0L, 1L, 0L, 0L, 0L, 1L, 1L, 0L,
1L, 0L, 1L, 1L, 0L, 0L, 0L, 1L, 1L, 1L, 1L, 0L, 1L, 0L, 0L, 0L,
0L, 0L, 0L, 1L, 1L, 1L, 0L, 1L, 0L, 1L, 0L, 0L, 1L, 0L), cond.2 = c(1L,
0L, 0L, 1L, 0L, 1L, 0L, 1L, 1L, 1L, 0L, 1L, 1L, 0L, 0L, 0L, 1L,
1L, 1L, 0L, 1L, 0L, 1L, 1L, 0L, 0L, 0L, 0L, 0L, 0L, 1L, 0L, 0L,
0L, 0L, 0L, 1L, 1L, 0L, 1L, 1L, 1L, 1L, 1L, 1L, 0L, 0L, 0L, 0L,
1L), cond.3 = c(0L, 0L, 0L, 1L, 0L, 0L, 0L, 1L, 0L, 0L, 0L, 0L,
0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L,
0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L, 1L, 1L, 0L, 0L, 1L, 1L,
0L, 0L, 1L, 0L, 0L, 0L), cond.4 = c(0L, 0L, 0L, 1L, 0L, 1L, 0L,
1L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L, 0L, 1L, 1L, 0L, 0L,
0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 0L,
0L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 1L, 0L, 0L), cond.5 = c(0L, 0L,
0L, 1L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L,
0L, 1L, 0L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L, 0L,
0L, 0L, 1L, 0L, 0L, 0L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L
)), .Names = c("status", "cond.1", "cond.2", "cond.3", "cond.4",
"cond.5"), row.names = c(NA, -50L), class = "data.frame")

with(df, table(status=status, comb23 = cond.2&cond.3)  )
      comb23
status FALSE TRUE
     0    33    1
     1    11    5

The more general approach to analyzing binary responses is logistic regression.

-- David.

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dependent column(s) in data frame

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