Displaying 20 results from an estimated 100 matches similar to: "Summing identical IDs"
2010 Feb 17
1
Procedure not working for actual data
Hello all,
I have what i feel is a unique situation which may not be resolved with
this inquiry. I have constructed the below data set so that i may give an
example of what im doing. The example works perfectly and i have no issues
with it. My problem arises with my actual data, which includes another 11
columns of data (used in later analysis) and a total of about 7000
cases(rows). i
2010 Jan 12
5
Drop last numeral
Hello all,
Frustrated and i know you can help
I need to drop the last numeral of each of my values in my data set. So for
the following i have tried the ?substring but since i have to specify the
length, but because my data are of varying lengths it doenst work so well
Data<-c("1131", "1132", "1731" ,"1732" ,"1821" ,"1822",
2010 Feb 19
1
Subtracting one based on an If
For the following:
Bldgid<-c(1000,1000,1000,1001,1002,1003,1003,1003)
Maplot<-c(20000,20001,20002,30000,30001,40000,40001,40002)
Area<-c(40,170,160,50,100,100,90,110)
#Construct Sample dataframe
MultiLotBldgs..<-data.frame(Bldgid,Maplot,Area)
CondoLots_ <- tapply(MultiLotBldgs..$Maplot, MultiLotBldgs..$Bldgid, length)
CondoLots_ Returns:
1000 1001 1002 1003
3 1 1
2009 Dec 28
4
Accessing members
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
4 ABH10 20091224 156.0 156.0 156.00 156.00 0 749
5 ABH11 20091224 157.2 157.2 157.20 157.20 0 0
6 ABH12
2009 Mar 26
2
loading and manipulating 10 data frames-simplified
I have to load 10 different data frames and then manipulate those 10 data
frames but would like to do this in a more simplified code than what i am
doing. I have tried a couple of approaches but cannot get it to work
correctly.
So the initial (bulky) code is:
#Bin 1
#-------
#Loads bin data frame from csv files with acres and TAZ data
Bin1_main <-
2013 Feb 12
3
improving/speeding up a very large, slow simulation
Dear R help;
I'll preface this by saying that the example I've provided below is pretty
long, turgid, and otherwise a deep dive into a series of functions I wrote
for a simulation study. It is, however, reproducible and self-contained.
I'm trying to do my first simulation study that's quite big, and so I'll
say that the output of this simulation as I'd like it to be is
2008 Nov 07
1
For Loop - loading 10 sets of data and calculating
I am trying to simplify my code by adding a for loop that will load and
compute a sequence of code 10 time. They way i run it now is that the same
8 lines of code are basically reproduced 10 times. I would like to replace
the numeric value in the code (e.g. Bin1, Bin2....Bin10) each time the loop
goes around. Below i tried doing this with a simple for loop and adding the
string character before
2008 Sep 24
2
Calling object outside function
What i thought was a simple process isnt working for me. After i create an
multiple objects in a function (see below), how to i use those objects later
in the program. I tried calling the function again and then the object i
wanted and it worked the first time but now it doesnt( i think i defined the
object outside the function accidently so then it worked but when run
properly it doesnt). I
2020 Aug 15
5
Supporting libunwind on Windows 10 (32bit; 64bit) for MSVC and Clang
Hello.
I was trying to compile
https://github.com/llvm/llvm-project/tree/master/libunwind using:
- MSVC
- Clang
I wasn't able to configure this project for using MSVC (directly or via
clang-cl):
>cmake -G Ninja -DLLVM_PATH="C:/Users/clang/llvm-project-10.0.1/llvm"
-DCMAKE_BUILD_TYPE=Release
-DCMAKE_INSTALL_PREFIX="C:\Users\clang\libunwind_llvm" ../libunwind
--
2010 Mar 06
1
TukeyHSD model thing
Hi,
I am trying to reproduce a tukey test in R
==========================
x=c(145,40,40,120,180,
140,155,90,160,95,
195,150,205,110,160,
45,40,195,65,145,
195,230,115,235,225,
120,55,50,80,45
)
y2=c(
rep(as.character(1),5),
rep(as.character(2),5),
rep(as.character(3),5),
rep(as.character(4),5),
rep(as.character(5),5),
rep(as.character(6),5)
)
crd2=data.frame(x,y2)
2007 Jun 26
1
Subscripting specified variables in a function
I'm trying to create a function which will allow me to subset a data set
based on values of various specified variables. I also want to then
apply some other function(s) (e.g., summary).
This is what I've tried so far....
> test.fx <- function(dta, expvar, expval) {
+ newdta <- subset(dta, eval(expvar)>expval)
+ summary(newdta$eval(expvar))
+ }
>
>
2004 May 12
1
summary table newbie question
I've got a newbie question and I got a little lost in the "table helps".
I've got a data.frame I would like to summarize as a (and pardon for the
lack of correct vernacular) data collection matrix. My data looks like,
stand siteindex age acres pct.acres
1 232 116 45 8477.3105 0.56159458
2 234 121 25 11120.1530 0.73667441
3 235 132 25
2009 Oct 15
1
tapply() and using factor() on a factor
Dear List,
Shouldn't result1 and result2 be equal in the following case?
Note that log$RequestID is a factor. That is, is.factor(log$RequestID)
yields TRUE.
result1 <- tapply(log$Flag,factor(log$RequestID),sum)
result2 <- tapply(log$Flag,log$RequestID,sum)
Yet, when I summarize the output, I get the following:
summary(result1)
Min. 1st Qu. Median Mean 3rd Qu.
2008 Sep 30
1
conditional loop
I am looking up a number based upon a randomly selected number and then
proceed to the rest of my code if the corresponding value is greater than or
equal to yet another value.
so if
Dev_Size = 14
and my randomly selected number is 102
and i am looking up 102 in the following table
100 21
101 4
102 9
103 52
104 29
So i select the the corresponding value of 102, which is 9 and
2006 Dec 07
1
Merging two data sets
Dear all R users,
Suppose I have two datasets:
g =
8/11/2005 92.75
9/11/2005 92.30
10/11/2005 92.55
11/11/2005 93.90
11/14/2005 94.20
11/15/2005 94.40
11/16/2005 93.90
11/22/2005 94.60
11/24/2005 95.50
2/12/2005
2008 Apr 15
1
Number of files transferred
Hello everybody,
I'm using rsync (debian 3.0.2-1) to test my pet projects for correctness; but
now I've come across a bug (?) in rsync - it doesn't count transferred links,
ie. "Number of files transferred:" is wrong.
See:
# mkdir a b
# ln -s /bin/ls a/link ; touch b/link
# ls -la a/* b/*
lrwxrwxrwx 1 flip flip 7 15. Apr 06:53 a/link -> /bin/ls
2011 Jun 14
5
RHEL 6 Optional channel
It looks like all of our RHEL 6 systems now need to connect to the RHN
Optional Channel. (puppet, ruby vs. selinux deps)
Is there a way to do that with a script without having to enter RHN userid
and password? Is there a way to add a channel during kickstart?
Thanks
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2010 Feb 24
2
How to read percentage and currency data?
I'm struggling to find any help on this seemingly simple question - how does
one read data with percentage (%) or currency (?,$ etc.) signs? When I try
to read a data file which has any of those symbols in the data fields, they
are read as characters rather than values. Is there a function or library
which can deal with such values?
As an example, I use this sample from one of chinna's
2004 May 13
2
xtable without rownames
When I tried to read all the entries (after searching the FAQ) for "row
names xtable", I get
START-INFO-DIR-ENTRY * R FAQ: (R-FAQ). The R statistical system ...
... xtable* Export data to LaTeX and HTML tables. ... For dropping the row
names of a matrix
`x', it may be easier to use `rownames(x) <- NULL', similarly for column ...
2009 Jun 03
1
setrubleshootd dominating
Anyone have any idea as to why setroubleshootd would be dominating the
system:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2371 root 25 0 1884m 1.8g 4100 R 100.2 44.7 680:06.40
setroubleshootd
Frank M. Ramaekers Jr.
Systems Programmer MCP, MCP+I, MCSE & RHCE
American Income Life Insurance Co. Phone: (254)761-6649
1200 Wooded Acres Dr.