On Dec 3, 2012, at 3:34 PM, Audrey wrote:
res=names(dat);
get(res[ind],pos=dat) will retrieve dat$name
There are far less baroque was of doing that (including dat$name and
dat[["name"]].
Both dat$name and dat[["name"]] require you to know what "name" is.
I was
looking for a way to retriev
> res=names(dat);
> get(res[ind],pos=dat) will retrieve dat$name
There are far less baroque was of doing that (including dat$name and
dat[["name"]].
Both dat$name and dat[["name"]] require you to know what "name" is. I was
looking for a way to retrieve a data frame column by name without actua
On Dec 2, 2012, at 12:46 PM, Audrey wrote:
I am trying to write a function to change the case of all of the
text in a
data frame to lower case.
Define what you mean by "text".
I do not have foreknowledge of the data frame
names or the data types of each column.
It seems that if one ref
On Dec 3, 2012, at 9:47 AM, Audrey wrote:
Ok, it seems that the function to get generic field names is get()
Er, not really.
res=names(dat);
get(res[ind],pos=dat) will retrieve dat$name
There are far less baroque was of doing that (including dat$name and
dat[["name"]]. Read:
?"["
I
Ok, it seems that the function to get generic field names is get()
res=names(dat);
get(res[ind],pos=dat) will retrieve dat$name
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