[R] Accessing members

[David Winsemius]

On Dec 28, 2009, at 5:14 PM, Nick Torenvliet wrote:

> Consider the following....
>
>> fileLines
>      V1       V2    V3    V4     V5     V6    V7     V8
> 1     AB 20091224 156.0 156.0 154.00 154.00    55   1198
> 2   AB.C 20091224 156.0 156.0 156.00 156.00     0      0
> 3  ABF10 20091224 156.0 156.0 156.00 156.00    55    444
.
.
>
>> attributes (fileLines)
> $names
> [1] "V1" "V2" "V3" "V4" "V5" "V6" "V7" "V8"
>
> $class
> [1] "data.frame"
>
> $row.names
> [1]  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21  
> 22 23 24
> 25
> [26] 26 27 28 29
>
>> fileLines[1,2]
> [1] 20091224
> As expected!
>
>> fileLines[1,3]
> [1] 156
> As expected!
>
>> fileLines[1,1]
> [1] AB
> 29 Levels: AB AB.C ABF10 ABH10 ABH11 ABH12 ABK10 ABK11 ABN10  
> ABN11 ... WW
> Doh!
>
> How do I access the "AB" element directly?

You already did access that element directly. You were given a bit  
more information than you expected but the value of fileLines[1,1] is  
"AB" and you were also advised that such value was one of 29 possible  
values for the particular factor set of which it is a member.


-- 
David

>
> Nick
>
> 	[[alternative HTML version deleted]]
>
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