Displaying 20 results from an estimated 5000 matches similar to: "Qs re writing/reading arrays, dataframes"
2010 Jan 20
2
How do I juxtapose two lattice graphs with common X axes such that the X axes line up?
Hello,
I would like to juxtapose two lattice graphs with common X axes such that the X axes line up. I am using plot right now but the edges are not neat and it would be nice if I could just draw 1 X axis and not both of them.
Here is my code:
upper<-bwplot(SignalUsed~as.factor(AllNormalHitsNamesCount),data=NmlOverviewArray2,
xlab="",
ylab="Intensity of Individual
2003 May 20
2
Using Arrays
hi,
can we have arrays in contexts?
i tried like this, but didn't work :-(
declaration
myarray[0]=192.168.3.4
myarray[1]=192.168.3.1
usage
myvalue = ${myarray[${myval}]}
pls tell a way to do this
Thanx a lot
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2013 Apr 24
2
[LLVMdev] Another missed optimization opportunity?
On 04/24/2013 01:29 PM, Caldarale, Charles R wrote:
> Is this a potential aliasing effect? Since myarray is defined as a pointer, not an array, it's theoretically possible that the address therein refers to the same memory location as the pointer itself.
I was thinking along those lines, but I haven't been able to come up
with a specific instance of what could possibly be aliased.
2013 Apr 24
8
[LLVMdev] Another missed optimization opportunity?
I was suprised to find that some bitcode I'm generating isn't getting
optimized. Here, I'm doing the equivalent of "myarray[5]++" (on an
"extern int *myarray"), repeated three times:
@myarray = external global i32*
define void @update_array() #0 {
%1 = load i32** @myarray, align 8
%2 = getelementptr inbounds i32* %1, i64 5
%3 = load
2006 Jan 16
3
new comer's question
I am new to R. I try to search the web but could not find the answer so I
post it here asking for help.
I have a csv file looks like this: (between two ==== lines)
===========================
Machine Name,"Resource, Type","Resource, Sub-type","Resource,
Instance",Date,,Data ->,,,,,,
,0.041666667,,,,,,,,,,,
Time (HH:MM)
2008 Feb 13
2
[Linux/Python 2.4.2] Forking Python doesn't work
Hello
When a call comes in, I'd like to fork a Python script that
broadcasts a message so that users see the CID name + number pop up on
their computer screen, and simultaneously ring their phones.
The following script doesn't work as planned: It waits until the
script ends before moving on to the next step, which is Dial():
===========
exten =>
2009 Jun 19
1
Shell Script: Simple array usage = bad substitution?
Hey Guys n Gals;
I have some arrays that I can't seem to expand correctly (if that's
the correct word?), imagine the following example:
#!/bin/bash
myArray=("First" "Second" "Third")
First=("Monday" "Tuesdays" "Wednesday")
Second=("One" "Two" "Three")
Third=("A" "B"
2013 Apr 24
0
[LLVMdev] Another missed optimization opportunity?
Hi Scott,
On 24/04/13 19:40, Scott Pakin wrote:
> I was suprised to find that some bitcode I'm generating isn't getting
> optimized. Here, I'm doing the equivalent of "myarray[5]++" (on an
> "extern int *myarray"), repeated three times:
does your bitcode contain data layout information?
Ciao, Duncan.
>
> @myarray = external global i32*
>
2013 Apr 24
0
[LLVMdev] Another missed optimization opportunity?
> From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
> On Behalf Of Scott Pakin
> Subject: [LLVMdev] Another missed optimization opportunity?
> I'm doing the equivalent of "myarray[5]++" (on an
> "extern int *myarray"), repeated three times:
> I had expected the three increments by 1 to
> be collapsed into a single increment
2013 Apr 24
0
[LLVMdev] Another missed optimization opportunity?
The semantic reason is that the optimizer is required to assume that the
i32 stores could be storing to the storage of myarray. LLVM IR does not
permit optimizers to optimize based on the nominal types of memory objects
or memory accesses.
This gets optimized in C, because the C compiler adds special TBAA metadata
annotations to the loads and stores which say that the stores of "int" do
2013 Apr 24
0
[LLVMdev] Another missed optimization opportunity?
> From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
> On Behalf Of Scott Pakin
> Subject: Re: [LLVMdev] Another missed optimization opportunity?
> > Is this a potential aliasing effect? Since myarray is defined as a
> > pointer, not an array, it's theoretically possible that the address
> > therein refers to the same memory location as
2007 Mar 09
4
How to create a list that grows automatically
Dear R users
I would like to know if there is a way to create a list or an array (or
anything) which grows automatically as more elements are put into it. What I
want to find is something equivalent to an ArrayList object of Java
language. In Java, I can do the following thing:
// Java code
ArrayList myArray = new ArrayList();
myArray.add("object1");
myArray.add("object2");
2007 Mar 09
4
How to create a list that grows automatically
Dear R users
I would like to know if there is a way to create a list or an array (or
anything) which grows automatically as more elements are put into it. What I
want to find is something equivalent to an ArrayList object of Java
language. In Java, I can do the following thing:
// Java code
ArrayList myArray = new ArrayList();
myArray.add("object1");
myArray.add("object2");
2003 Jun 09
2
Appending elements to an array
Hi all,
I am having a bit of 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
2007 Jul 05
1
getting values from arrays using which()
Dear R-Help,
I have an array 1260x1260, upper triangle consisting of numbers between 0 and 100, and lower triangle all NA. I can extract the index of those values say above 99 using the following code:
which(myArray>=99 , ind.arr=T)
which returns:
row col
5475 252 253
45423 764 765
46902 777 778
34146 611 962
50681 1220 1221
Now I would like to if poss print the actual value
2010 Oct 27
2
keep adding elements to the matrix
Hello everyone,
I would like to create a "dynamic" array to keep storing number in it
for (i in c(2:length(final))){
myarray <-final[i]-final[i-1]
myarray2<-2*final[i]
}
At the end I would like to use myarray as the x values of an array
and the myarray2 as the yvalues of the same array.
I tried cbind but it didnot work.
Could you please help me with that?
Best
2020 Feb 15
2
Have the debugger show an away with a dynamic size?
Thanks for the suggestions but it doesn't appear to be working correctly
for me. I tried building the below after seeing the results with "clang -g
-std=c99 test.c" and got the same result
LLDB thinks MyArray is 81 elements long even though 81 and 80 doesn't show
up anywhere in the llvm-ir (I tried again using an llvm ir file made by
clang -g -std=c99 test.c -S -emit-llvm and
2010 Nov 10
2
force apply not to drop the dimensions of FUN results ?
Dear R users,
Here is my problem:
I have an array with at least four dimensions:
> dim(myArray)
[1] 20 17 3 6
I'd like to apply a function to each occurrence of the matrix (3x6)
defined by the last two dimensions. This interpolation function always
return a matrix of the same dimensions as its argument:
> interpSecteurs.f(myArray[1, 1, , ])
secteur
rotation 1 2 3
2011 Oct 16
2
Custom Sort Character and Numeric
I"m trying to do a custom sort in this order:
1) Numeric digit furthest right;
2) Alphabetical second furthest to the right;
3) Alphabetical the rest of the string beginning with the first character;
The example code I'm using is an array that follows:
/myArray <-
2008 Aug 07
2
Creating an array of lists
Hi,
I want to store some number of outputs from running a bunch of
analyses such as lm() into an array. I know how to do this with a
one-dimensional array (vector) by creating
myArray <- vector(mode='list', length=10)
and storing each lm() result into a component of myArray.
My question is, how can do this for a multiple dimensional array? It
seems array() does not have such a