Oops, yeah I didn't see that.
Thanks,
Andrew
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Thanks-- that works for what I'm trying to do. I was also wondering, in the
data frame example you gave, if I just wanted to get rid of rows where the
"a" value is 5, how would I do that?
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How about this:
s = c("aa", "bb", "cc", "", "aa", "dd", "", "aa")
n = c(2, 3, 5, 6, 7, 8, 9, 3)
b = c(TRUE, FALSE, TRUE, TRUE, FALSE, TRUE, TRUE, FALSE)
df = data.frame(n, s, b) # df is a data frame
I want to display df with no value in s occurring more than once. Also, I
want to
I just figured that out, but the real data I'm using is a data frame for
sure, so I'll find another example.
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I understand how duplicated and unique work for a list where all parts of a
given row are duplicated, or how to find duplicated values if I'm just
looking at that first column, but in this case the rows for 1954 and 1955
are not completely the same; only quarter 1 is duplicated, so I'm not sure
h
Hi all,
I'm looking at a large data set, and I'm interested in removing rows where
only one variable is duplicated. Here's an example:
> presidents
Qtr1 Qtr2 Qtr3 Qtr4
1945 NA 87 82 75
1946 63 50 43 32
1947 35 60 54 55
1948 36 39 NA NA
1949 69 57 57
Thanks for the help so far-- one interesting thing about this particular page
is that the data displayed on the website actually differs from the data you
can access with the "download" link. The XML package command works, but the
table it produces in R has the following column names:
> x1 =
>
Hi all,
I am using RCurl to try and download data from a website, but I'm having
trouble finding out what URL to use. Here is the site:
http://www.invescopowershares.com/products/holdings.aspx?ticker=PGX
See how in the upper right, above the displayed sheet, there's a link to
download the data
Hi,
Recently, I've been trying to use packages in R that require loading the
Tcl/Tk interface. However, I get a strange result and a crash that I
haven't been able to find discussion about on these boards (or any others).
When I enter library(tcltk), it reads "Loading Tcl/Tk interface ... ", bu
Hi all,
I'm currently working on an R program where I have to access an FTP server
to download some of the data I need. However, the people who post up the
files I access are at times inconsistent with regards to time posted, if
they post at all, etc Here's some of the code I use:
library(
Actually I have one more question that's somewhat related-- I'm starting out
by importing a .txt file that isn't divided into vectors and is at times
inconsistent with regards to spacing, indents, etc., so I can't rely on
those. It looks something like this:
"Drink=Coffee:Location=Office:Time=M
Thanks! That's much less complicated and does everything I wanted it to do.
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Hi all,
I'm trying to write a function that will search and extract from a long
character string, but with a twist: I want to use the characters before and
the characters after what I want to extract as reference points. For
example, say I'm working with data entries that looks like this:
Drink
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