Dear R Helpers,
I am a newbie and recently got introduced to R. I have a large database
containing the names of bank branch offices along-with other details. I am into
Operational Risk as envisaged by BASEL II Accord.
I am trying to express my problem and I am using only an indicative data which
comes in coded format.
A (branch) B (controlled by)
144
145
146
147 144
148 145
149 147
151 146
...... .......
...... .......
where 144's etc are branch codes in a given city and B is subset of A.
If a branch code appearing in "A" also appears in "B" (which is paired with
some otehr element of A e.g. 144 appearing in A, also appears in "B" and is
paired with 147 of "A" and likewise), then that means 144 is controlling
operations of bank office 147. Again, 147 itself appears again in B and is
paired with bank branch coded 149. Thus, 149 is controlled by 147 and 147 is
controlled by 144. Likewise there are more than 700 hundred branch name codes
available.
My objective is to group them as follows -
Bank Branch
144 147 149
145
146 151
148
.....
or even the following output will do.
144
147
149
145
146
151
148
151
......
I understand I should be writing some R code to begin with which I had tried
also but as of now I am helpless. Please guide me.
Mike
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