Displaying 20 results from an estimated 548 matches for "5,6".
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1,6
2011 Nov 08
4
Intervals in function cut
When I was studying the function cut I found this example:
> x <- rep(0:8, tx0)
> x
[1] 0 0 0 0 0 0 0 0 0 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 4 4 4 5 5 5 5 5 5
5 5 5 5 6
[39] 6 6 6 6 7 7 7 8 8 8 8 8
> cut(x, b = 8)
[1] (-0.008,0.994] (-0.008,0.994] (-0.008,0.994] (-0.008,0.994]
(-0.008,0.994]
[6] (-0.008,0.994] (-0.008,0.994] (-0.008,0.994] (-0.008,0.994] (0.994,2]
[11] (0.994,2] (0.994,2] (0.994,2] (2,3] (2,...
2023 Oct 12
4
if-else that returns vector
Hi,
Following expression returns only the first element
ifelse(T, c(1,2,3), c(5,6))
However I am looking for some one-liner expression like above which
will return the entire vector.
Is there any way to achieve this?
2023 Oct 13
1
if-else that returns vector
...rom either 'yes' or 'no' depending
on whether the element of 'test' is 'TRUE' or 'FALSE'.
This is actually rather startling, because elsewhere in the
S (R) language, operands are normally replicated to the length
of the longer. Thus
c(1,2,3)*10 + c(5,6)
first (notionally) replicates 10 to c(10,10,10)
and then c(5,6) to c(5,6,5), yielding c(15,26,35).
And this *does* happen, sort of.
> ifelse(c(F,T,F), c(1,2,3), c(5,6))
=> 5 2 5.
But it *doesn't* apply to the test.
There's another surprise. Years ago I expected that
all three arg...
2007 May 10
3
Getting the last day of the month.
Hi,
Given a date, how do I get the last date of that month? I have
data in the form YYYYMM, that I've read as a date using
> x$Date <-
as.Date(ISOdate(substr(x$YearEnd,1,4),substr(x$YearEnd,5,6),1))
But this gives the first day of the month. To get the last day of the
month, I tried
> as.Date(as.yearmon(x$Date,frac=0))
But I don't get the last day of the month here. (Tried frac=1 too.)
I then add a month to the date, substract one day from the resultant
date. But this wouldn...
2012 May 10
1
storage of matrices of diff dimension together
Hi,
It might be a trivial question but how do you store matrices of different dimensions read from a file or in a loop together? The best solution might be a list but I don't store the first matrix correctly:
m = rbind(c(1,2),c(3,4),c(5,6))
t=rbind(c(1,2),c(5,6))
l = list(m)
> l = list(l,t) #I assumed that at the begining I don't have m and t at the same time to do list(m,t), but I list them, one after the other
> l
[[1]]
[[1]][[1]]
[,1] [,2]
[1,] 1 2
[2,] 3 4
[3,] 5 6
[[2]]
[,1] [,2]
t ...
2015 May 14
3
comportamiento de data.table al hacer calculos por grupos
....
Estoy haciendo calculos por grupos con data,table. Tengo un archivo
(zp.res) con tres columnas que clasifican los datos (sol, con, dia) y
una columna de datos numericos (media), de la siguiente forma:
sol con dia media
1: con 0 1 -22.6
2: con 0 1 -36.6
3: con 0 1 -35.6
y quiero calcular el promedio de "media" (la col 4) agrupando con las
variables sol,con,dia. Lo hago de la siguiente forma:
med <- zp.res[, mean(media), by="sol,dia,con"]
cuando reviso "med" esta todo bien, se han calculado las medias y el
objeto tiene solo l...
2010 Jan 20
3
problem with origin of a plot
Dear list,
I have somewhat a small problem with a plot in R. I want to produce a plot
with the two axis intersection being the exact values of ( 5,6).
The code i am using is"
BN<-c(14.95,9.03,10.42,9.3,9.52,7.73,6.35,6.73,5.54,5.42,6.24,5.98,6.21,5.83,7.14,5.79,5.57,7.43,9.19,10.17,9.79,9.56,9.87,9.33,10.56,10.08,9.49,8.49,7.34,6.14,5.98,7.27,5.56,
7.3,6.14,6.37,5.14,5.53,5.64,6.55,7.04,9.41,9.59,9.92,10.77,9.77,10.26,8.71,8.91,9.7...
2010 Jan 20
1
Line Plot with Dates on X-axis
...umber of days since
1/1/1970. How do I either get the first block to recognize the
desired format, or the second block to format the x-axis as quarters?
Thank you in advance!
#block 1
time.val <- as.factor(c
("2004Q1","2004Q2","2004Q3","2004Q4","2005Q1","2005Q2"))
inc <- c(0.9903797, 1.3741467, 0.9938702, 0.4252443, 0.7700158,
1.1770313)
# returns nice x-axis, but black points
plot(time.val, inc, type="b", col="red")
#block 2
time2 <-
ifelse (substr(time.val,5,6) == "Q1",
as.Date(paste(...
2010 Feb 04
2
Filling a logical matrices with values
Hello !!
I have this problem:
A matrix on True/False
and as many numerical vectors as columns,
but of different length. What I 'd like to get is this:
set.seed(12)
> dat <- as.data.frame(matrix(as.logical(sample(T:F, 30, T)),5,6))
> colnames(dat) <- letters[1:6]
> rownames(dat) <- paste(letters[1:5],1:5, sep="")
> dat
a b c d e f
a1 TRUE TRUE TRUE TRUE TRUE TRUE
b2 FALSE TRUE FALSE TRUE FALSE FALSE
c3 FALSE FALSE TRUE FALSE TRUE TRUE
d4 TRUE TRUE TRUE FALS...
2011 Sep 12
2
function to include factors in summary data frame
...at are factors ( such as sites "A",
"B", and "C") that I would like to include in the new data frame. I have
done this in a clunky way using match() and a loop, but am wondering if
there is a more elegant approach. Here is an example data set.
#Example
a<-c(rep(1:5,6)); b<-sort(b)
b<-c(rep("A",10),rep("B",10),rep("C",10))
a<-c(rep(1:5,6)); b<-sort(b)
d<-c(2008,2008,2009,2009,2010,2010);d<-rep(d,5)
e<-rnorm(30,2,1)
df<-data.frame(a,b,d,e) ; names(df)<-c("ind","site","year",&...
2008 Jul 25
3
Bug in gap.plot
Hi, all
I am trying to make a plot with a axis break and I want the whole plot
to be line, not points. However, when I execute the following command
half of the graph is points and the other lines.
gap.plot(Xdata, Ydata,gap=c(5,6),gap.axis="x",type="l")
I think it might be a bug in plotrix. I would greatly appreciate your
input. If there is another way to do it, I would greatly appreciate it.
Best wishes,
Art Roberts
University of Washington
Department of Medicinal Chemistry
Seattle, WA 98195
2017 Jun 03
4
New var
Hi all,
I have a data set with time interval and depending on the interval I want
to create 5 more variables . Sample data below
obs, Start, End
1,2/1/2015, 1/1/2017
2,4/11/2010, 1/1/2011
3,1/4/2006, 5/3/2007
4,10/1/2007, 1/1/2008
5,6/1/2011, 1/1/2012
6,10/15/2004,12/1/2004
First, I want get interval between the start date and end dates
(End-start).
obs, Start , end, datediff
1...
2015 Aug 25
6
echo password into bash script
...ho my password into some commands inside of a bash script.
But I think I'm going about it incorrectly.
Here's the top part of my script:
#!/bin/bash
pub="~/.ssh/id_rsa.pub"
dps_pass="my_pass"
ssh="/usr/bin/ssh"
scp="/usr/bin/scp"
for i in 10.10.10.2{5,6}
do
echo "xfring key up"
echo $dps_pass | $scp $PUB digitalplatform@$i:
And here's how it executes:
#bash -x deploy_key.sh
+ pub='~/.ssh/id_rsa.pub'
+ dps_pass='nbcuV01P!'
+ ssh=/usr/bin/ssh
+ scp=/usr/bin/scp
+ for i in 10.10.10.2{5.6}
+ echo 'xfring key u...
2007 Sep 16
1
Putting column names in some automated way
Dear all,
I have following codes:
colnames(data) = c("var", "var", "var")
i = c(1,2,3)
Now I want construct a "for" loop starting from 1 to 3 to give the new names of columns for dataframe "data" like below
colnames(data)
> c("var1", "var2", "var3")
Definitely I could do this manually, however I want to put
2003 Oct 06
4
Apply and its friends
Hi,
Forgive a very basic question...
I need to take two lists-of-lists, and apply a function to each pair of elements in the lists to return a single list...
For example
l1 <- list(1:5,6:10,2:15)
l2 <- list(1:8,4:12,1:19,4:20)
I could easily do an lapply across each of them, but is there a function that does a sort-of pairwise-apply across both together?
Does anybody know of a good document that discusses this kind of basic matrix/list/vector manipulation in R?
Regards,
cris...
2003 Jun 09
2
Appending elements to an array
...trouble with the array structure of R. What I want
to do is dynamically add/remove elements to an array. For example:
Let's say I have created an array:
> myArray <- array(c(3,8), dim=c(1,2))
> myArray
[,1] [,2]
[1,] 3 8
And I now want to, for example, push an element (5,6) on to this array
so it will read:
[,1] [,2]
[1,] 3 8
[2,] 5 6
And then pop the first element of the array so the array now reads:
[,1] [,2]
[1,] 5 6
How would I do this? So far I've only read how to create an array if
you know the dimensions beforehand, but...
2013 Oct 09
2
[LLVMdev] Question about anti-dependence breaker
...anti-dependence of postRAScheduler in LLVM.
when I use command line "clang -target arm -mcpu=cortex-a8 -O2 -integrated-as -c test.c -o test.o"
and get objdump file as follows:
ldrr1, [r0,#16]----(1
str r1, [r0,#32]----(2
ldr r1, [r0,#12]----(3
str r1, [r0,#36]----(4
ldr r1, [r0,#08]----(5
str r1, [r0,#40]----(6
However, I expect that instruction pairs (1,2), (3,4) and (5,6) use different registers after postRAScheduler pass.
Then, I find that postRAScheduler only handle anti-dependence mode after debug LLVM source code.
More while I use gcc to compile test.c and get expected result...
2013 Mar 12
2
Bugs due to naive copying of list elements
Several bugs are present in R-2.15.3 and R-alpha due to
naive copying of list elements.
The bug below is due to naive copying in subset.c (with
similar bugs for matrices and arrays):
a<-list(c(1,2),c(3,4),c(5,6))
b<-a[2:3]
a[[2]][2]<-9
print(b[[1]][2])
Naive copying in mapply.c leads to the following bug:
X<-1+1
f<...
2011 Mar 09
2
Complex sampling?
...am trying to generate a randomized weekday survey schedule that ensures even coverage of weekdays in
the sample, where the distribution of variable DOW is random with respect to WEEK. To accomplish this I need
to randomly sample without replacement two weekdays per week for each of 27 weeks (only 5 are shown). However,
I need to sample from a sequence (3:7) that needs to be completely depleted and replenished until the
final selection is made. Here is an example of what I want to do, beginning at WEEK 1. I would prefer to do
this without using a loop, if possible.
sample frame: [3,4,5,6,...
2010 Jan 13
3
Operating on each row of data frame
Hi All
I have a data frame in which there are 4 columns .
Column 1 : name
Column 2-4 : values
I would like to calculate mean/Standard error of values in column 2-4 and
store them in column 5,6 respectively.
I have done the following but doesn't seem to work
mean_N_SE <-function(x)
{
name <- x[1]
vals <- c(x[2:4])
temp_mean <- mean(vals)
SE <- sqrt(var(x)/length(x))
}
apply(d,1,mean_N_SE) where d = data frame.
Can someone help me with this.
Thanks!
-Abhi...