)
On Mon, 11 Feb 2019, Val wrote:
Sorry Jeff and David for not being clear!
The total sample size should be at least 40, but the selection should
be based on group ID. A different combination of Group ID could give
at least 40.
If I select group G1 with 25 count and G2 and wi
This constraint was not clear in your original sample data set. Can you expand
the data set to clarify how this requirement REALLY works?
On February 11, 2019 3:00:15 PM PST, Val wrote:
>Thank you David.
>
>However, this will not work for me. If the group ID selected then all
>of its
Your example is not reproducible [1][2][3], you are reposting a copy of an
email in a fresh thread (instead of replying to the first one), and you are
using HTML email format on a text-only mailing list (what you see is really not
what we see). Please read the Posting Guide to find out what the
There is a no-homework policy stated in the Posting Guide.
On February 10, 2019 8:59:41 AM PST, Rima El-zein wrote:
>Hi.
>
>
>
>Can someone please help me recreate this code without using a for loop?
>Idk if I'm supposed to use a map function or something else.
>
>
>
>qprob <- function(pp) {
>
>
e, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
---
Jeff Newmiller
Rich's email did not reach me, so tagging off of S Ellison's reply...
Take a look at [1] for an example analysis that maximizes the firm yield
(amount that can be promised and subsequently delivered for irrigation
delivery each year) subject to required minimum capacity levels (for flood
figure out
>how to
>change my color scaling. While scale_fill_gradient(low="red",
>high="green")
>does what I ask, that is create a color gradient from red to green it
>not
>what I thought it would be. What I need is discreet colors something
>like 0
>- grey
A NA NA NA
>[233] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
>NA NA NA NA NA NA N
>
>
>It seems like the indexing is somehow wrong, or am I missing something?
>:)
>
>
>Fra: Jeff Newmiller
>Sendt: tirsdag 5. feb
I have no idea about "why it is this way" but there are many cases where I
would rather have to use backticks around syntactically-invalid names than deal
with arbitrary rules for mapping column names as they were supplied to column
names as R wants them to be. From that perspective, making the
There are many examples of how to do this properly on the web, and many ways
you could have failed to follow those examples. You need to be much more
specific (using actual R code) about what you did in order for us to help you
get past your specific error. [1][2][3]
You will also avoid the
One thing about POSIXct or POSIXlt... you always need to address the issue of
timezone. If your timestamp data are simple (no daylight savings) you may be
able to get away with a simple
Sys.setenv( TZ="GMT" )
sometime in each R session prior to converting anything to this type (e.g at
the
lot( simresult$jd/365, simresult$NAlive )
plot( simresult$jd/365, simresult$NNotAlive )
plot( simresult$jd/365, simresult$NPreg )
#
On Sat, 2 Feb 2019, Alan Feuerbacher wrote:
On 1/29/2019 11:50 PM, Jeff Newmiller wrote:
On Tue, 29 Jan 2019, Alan Feuerbacher wrote:
After
You aren't pushing any envelope... you slit it open and fell out somewhere on
the sidewalk. I tossed your question into Google and it came back with [1] and
[2]. Please do that yourself instead whenever you are tempted to go off topic.
[1]
ot;%m/%d/%y"))
>[1] "Date"
>> class(strftime(strptime(dat, format="%m/%d/%y %H:%M"), format =
>"%m/%d/%y"))
>[1] "character"
>
>If I want to date caluculation, would as.Date() be more desirable? Or
>does
>strftime() do the s
t curious, what does strptime(), strftime(), as.POSIXlt.(), and
>as.POSIXct() stand for?
>
>On Sat, Feb 2, 2019 at 10:41 AM Jeff Newmiller
>
>wrote:
>
>> ... and in general, you need to specify the time zone to avoid
>surprises.
>> In many cases this can be as simple as
&
... and in general, you need to specify the time zone to avoid surprises. In
many cases this can be as simple as
Sys.setenv(TZ="GMT")
but it can be specific to your data set also.
On February 2, 2019 7:09:46 AM PST, Duncan Murdoch
wrote:
>On 01/02/2019 10:45 p.m., C W wrote:
>> Dear R
I an finding your question very opaque. For one thing, why aren't you
specifying any edges? Since I don't do this kind of analysis normally I don't
know what your combined graph should look like. Can you provide a link you what
you hope to end up with?
Note that the Posting Guide emphasizes
On Tue, 29 Jan 2019, Alan Feuerbacher wrote:
On 1/28/2019 7:51 PM, Jeff Newmiller wrote:
If you forge on with your preconceptions of how such a simulation should be
implemented then you will be able to reproduce your failure just as
spectacularly using R as you did using Octave.
I think
If you forge on with your preconceptions of how such a simulation should be
implemented then you will be able to reproduce your failure just as
spectacularly using R as you did using Octave. It is crucial to employ
vectorization of your algorithms if you want good performance with either
I don't understand most of what you wrote, but when you say "matrix" you are
mistaken. A matrix is NOT the same thing as a data frame, which is what you get
when you call read.csv(). Read
RShowDoc("R-intro")
Sections 5 and 6... A data frame is a list of column vectors, while a matrix is
a
tat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
---
Jeff NewmillerThe
N = cumsum)
plot(PMES ~ ym, data=datim) # My guess as to what you asked for?
###
On Sun, 27 Jan 2019, Diego Avesani wrote:
Dear Jeff, Dear Rui, Dear all,
I will try Rui's solution as soon as possible.
If I could ask:
As a first step, I would like to follow Jeff's suggestion. I will represent the
precipitat
Very succinct, Rui!
One warning to Diego automatic data recorders tend to use the local
standard timezone year-round. R by default assumes that timestamps converted
from character to POSIXct using the current timezone on your computer... which
may not be in the same zone that the logger
Are you looking for a plot where each point represents a month? Or a plot
where each point represents the accumulated precipitation so far that month?
The latter seems closer to your computations so far, but doesn't seem like a
typical way to present precipitation data...
On January 27, 2019
BBB <- lapply( CCC, function( v ) v[ 0 wrote:
>Hi All--
>
>I have a list which contain variables 0s at the end of each vector on
>the isit. I want to create a new list with only numbers > 0.
>It seems simple, but i tried several option, none of which worked.
>
>CCC <- list(A=c(1,2,3,0,0,0,0),
Read the help file
?as.POSIXct
"" as time zone is not an error.
On January 26, 2019 1:15:21 PM PST, Christofer Bogaso
wrote:
>Hi,
>
>I want to set a specific Timezone for my R environment, with below
>syntax:
>
>> Sys.getenv("Asia/Calcutta")
>
>[1] ""
>
>>
>But it sets to some blank timezone.
My objection to this design pattern is that this gives the default
implementation of inside an ability that cannot be altered using functions
provided by the caller. You might think this is what you want now but it has
the potential to render the code unreusable in the future, which renders the
Problem is in your data not matching your values, but you did not share your
data. Try using the unique() function to see what values you have in your data.
I will say that when I want to assign discrete colors I always start by
converting my character column in the data frame to a factor and
?range
?findInterval
On January 22, 2019 6:54:14 PM PST, Kelly Thompson wrote:
>I’d like to take numeric data, and calculate numeric “quintiles” with
>integer values in from 1 – 5 , with values in the lowest 20% of values
>having a value of 1, the >20 - <= 40% of values having a value of 2,
>the
You can use knitr (child documents) with rmarkdown to generate an html file
containing many htmlwidgets. There are many htmlwidgets you can choose from,
see [1]. You can also use htmlwidgets with shiny if you prefer, though I don't
know if you can get the many plots simultaneously with shiny.
I don't see any attachments. I agree with Eric... depending on images in
questions posed here is an unreliable strategy.
Re: pop-up messages regarding re-installation on Windows... I have never seen
that occur with R, but I have seen it with other programs years ago. There are
settings that
There is no "perhaps" about it. Nonsense phrases like "similar to logit, where
I dont [sic] lose normality of the data" that lead into off-topic discussions
of why one introduces transformations in the first place are perfect examples
of why questions like this belong on a statistical theory
Don't use the default print method then. When you type an expression alone at
the console it uses a print function to convert the result to characters for
output. The default print method for matrices of character uses quotes to show
the exact contents of each character string.
Convert the
I see you creating a variable p, evaluating and printing a modified version of
that variable, and then printing that variable (presumably overwriting the
first plot). Are you executing your code one line at a time when
troubleshooting?
On January 17, 2019 2:32:51 PM PST, David Doyle wrote:
I would say that you may well be asking the wrong question in the right mailing
list. Your discipline-specific jargon is impeding communication... you need to
know what specific steps you want to take using R. A good reason to start your
line of questioning on the Bioconductor forum is that
... then you still don't understand. Perhaps you might find [1] helpful. Also,
adding a floating point representation of 0.001 to 1.4 for 400 times does not
yield the same approximation of 1.8 that you get by directly converting the
string "1.8" that you typed into your R interpreter.
[1]
ons on the test set.
>
>tst_pred <- ifelse(predict(model_glm, newdata = default_tst, type =
>"response") > 0.5, "Yes", "No")
>
>tst_tab <- table(predicted = tst_pred, actual = default_tst$default)
>
>tst_tab
>
>
>
>##
ra.
>
>This warning appears:
>could not find function "fviz_nbclust"
>
>On Wed, Jan 16, 2019 at 1:22 PM Jeff Newmiller
> wrote:
>>
>> Concept 1: You don't install functions... you install packages that
>have functions in them. There is a function fviz_nbclust
Concept 1: You don't install functions... you install packages that have
functions in them. There is a function fviz_nbclust in factoextra.
Concept 2: Once a package is installed, you do NOT have to install it again,
e.g. every time you want to do that analysis. Making the installation part of
or be unrelated. You might confirm on this discussion
thread whether this function runs okay for you.
For future reference, use CRAN packages for examples on this mailing list to
clarify that the problem is relevant here.
On January 16, 2019 9:48:12 AM PST, Emily Wan
wrote:
>Hi Jeff -
&g
Please ask questions about Bioconductor on the Bioconductor forum [1].
Chances are that you need to re-install Bioconductor because packages are
installed in two-digit version-specific libraries... e.g. R 3.4 and R 3.5 do
not share packages.
[1] https://support.bioconductor.org
On January 15,
:36:22 AM PST, RICARDO ALVARADO BARRANTES
wrote:
>Thanks for your response, however my understandig of all this
>programming is very limited. Is there any source where I can read about
>F calculation for those models?
>
>Thanks for your time
>
>Ricardo
>
>El 14-01
Failure to read the installation notes for the package. You have to get Java
working on your computer.
https://cran.r-project.org/web/packages/xlsx/index.html
On January 11, 2019 10:40:44 AM PST, Bernard McGarvey
wrote:
>When I load the library xlsx with the command
>
>
>library("xlsx")
>
>
Just type
?Rdiff
it is in the preinstalled packages that come with R.
On January 10, 2019 7:35:42 AM PST, Sebastien Bihorel
wrote:
>From which the diffobj package?
>
>
>From: "Martin Møller Skarbiniks Pedersen"
>To: "Sebastien Bihorel"
>Cc: "R mailing list"
>Sent: Thursday, January 10,
The key to accomplishing this is to clarify how you want to address selecting
values between the existing points, but there are many base R functions and
packages that address this problem. In general the methods fall into two
categories: interpolation and smoothing. Interpolation includes
There is a mailing list for questions about packages... see the Posting Guide.
On January 8, 2019 11:48:37 AM PST, Troels Ring wrote:
>Dear friends - this is really a question I'm sorry about since it
>doesn't
>follow the requirements. I have made a R package via RStudio and it
>causes
>problems
That said, the gist of the OP's outline is correct, and the main reason to look
elsewhere is to get more thorough advice on what statistical concerns should be
addressed than would be on topic here.
One comment: reviewing plots of differences versus various independent
variables for systematic
Er, just keep it simple, Marc... give one option:
library(lattice)
If you _ever_ use require() without acting upon the return value then you are
setting yourself or someone else up for confusing missing objects errors
someday for no good reason. This _isn't_ just personal preference... by
I think it is rather presumptuous of you to think that anyone is going to write
an expression optimizer for some unspecified language on the R-help mailing
list. I am sure that such tasks can be handled in R, but it is non-trivial and
the background needed would be very off-topic here.
On
a) When re-posting a question, whether on the same or different forums, it is
best practice (netiquette) to link to or reply to the earlier question. [1]
b) Note the guidance in the Posting Guide:
For questions about functions in standard packages distributed with R (see the
FAQ Add-on
mmented, minimal, self-contained, reproducible code.
---
Jeff NewmillerThe . . Go Live...
DCN:Basics: ##.#. ##.#. Live Go...
Live: OO#.. Dead: OO#.. Playing
Research E
gainst the code for SMS or call
>(which I assume are those 3000+ numbers). You can take the differences
>in what look like POSIX time values between successive TRUE and FALSE
>screen values to get the duration of screen activity and it looks like
>participant activity is recorded at regular in
Not really. This is R-help, not R-do-my-work-for-me. You need to make enough
progress in doing your work that you can ask a focused question about how to do
some step of your work in R before your query will be answerable on this
mailing list. Once you have started your work you will have some
[!rownames(deck) %in% row.names(topCard),]
>
>Is it recommended/safe/good practice to work on items using the item
>names?
>
>Benoit
>
>Jeff Newmiller a écrit :
>
>>> In my programmer's head, something similar to this should "work":
>...
>>>
You would be better served to reference SQL semantics (relational identity)
than Network database semantics (object identifiers) for understanding data
frames. The row in `aCard` is not the same as the row in `deck`, and you should
not construct your algorithms based on individual rows but
>In my programmer's head, something similar to this should "work": ...
> deck[aCard]
There are some people who agree with you... see the data.table package, which
can be made to behave like this.
Keep in mind that the aCard data frame in general may have a different set of
column names or more
You can probably cobble together something, but spitting large chunks of
information at users when the program wants to is bad design. It would be
better to make a vignette or help file in a package and put the associated code
from which you had been planning to spit out that text.
On January
hewitt
wrote:
>Hi Jeff,
>
>The suggested language looks like it is shifting to some stricter
>programming idioms such as defining object's data structure. this video
>was shoot in 2017 so I'm not sure if these changes have been put on the
>
You have applied to an inappropriate forum using an inappropriate communication
format for your question.
You should read the Posting Guide to fill in your misunderstanding for future
use of this from, but more immediately you should check out the CrossValidated
web site for help regarding how
I have no idea. But I hope not... that sounds like a different tool than R,
just as C++ is a different tool than C.
On December 27, 2018 4:36:42 PM PST, "Angus C Hewitt (DHHS)"
wrote:
>Hi Team,
>
>Please advise if there are any plans in the pipeline for change the R
>language to "B" as
No. This is a limitation of CMD that R is not designed to work around.
On December 26, 2018 8:47:44 AM PST, RK wrote:
>Hi,
>
>When I run R.exe (or Rterm.exe) from cmd.exe and enter in a long input
>line, e.g.
>
in your file.
On December 26, 2018 7:38:16 PM PST, Spencer Brackett
wrote:
>So even if I imported the file form ICGC to my desktop as an excel
>file,
>and can view and saved the data as such, it is still a TSV?
>
>On Wed, Dec 26, 2018 at 10:35 PM Jeff Newmiller
>
>wrote:
>
>
CSV and TSV are not Excel files. Yes, I know Excel will open them, but that
does not make them Excel files.
Read a TSV file with read.table or read.csv, setting the sep argument to "\t".
On December 26, 2018 7:26:35 PM PST, Spencer Brackett
wrote:
>I tried importing the file without preview
You can use `capture.output`, but a far, far better solution is to remove the
output statements from your computation functions entirely and let the caller
decide whether to print the results.
You can, for example, add a `debug` parameter to the function, and if true it
can return a list of as
m misunderstanding what you mean by the
>R3.5
>personal package library? Thanks again
>
>On Mon, Dec 24, 2018 at 4:28 PM Jeff Newmiller
>
>wrote:
>
>>
>>
>> On December 24, 2018 11:14:40 AM PST, Janh Anni
>> wrote:
>> >Hello Jeff, Martin,
>
On December 24, 2018 11:14:40 AM PST, Janh Anni wrote:
>Hello Jeff, Martin,
>
>I deleted 3.5.2 as suggested and tried 3.5.1 but still had the same
>problems. I still couldn't use read.table to load a data file and
>still
>had an error message when I tried to install a pack
] ?Random
(https://stat.ethz.ch/R-manual/R-devel/library/base/html/Random.html)
On December 22, 2018 8:09:42 PM PST, Jeff Newmiller
wrote:
>It doesn't matter. The whole point is to make the pseudo-random
>sequence repeatable... unless you have a specific reason to avoid
>repeatability.
>
It means that one of the packages installed during R installation (lattice) is
damaged. You should probably re-install R.
On December 23, 2018 12:01:12 PM PST, Medic wrote:
>> install.packages("survival")
>package ‘survival’ successfully unpacked and MD5 sums checked
>> library(survival)
sue only came up after I installed R3.5.2. Never had any
>problems
>with previous installations. So it is likely a bug in the current
>version. Any suggestions what to do now?
>
>On Sat, Dec 22, 2018 at 11:06 PM Jeff Newmiller
>
>wrote:
>
>> That normally only occ
It doesn't matter. The whole point is to make the pseudo-random sequence
repeatable... unless you have a specific reason to avoid repeatability.
On December 22, 2018 5:33:39 PM PST, Steven Yen wrote:
>I have known from the old days to set a random seed of a LARGE ODD
>NUMBER. Now I read
R package library... always use a personal
library.
On December 22, 2018 6:01:44 PM PST, Janh Anni wrote:
>Hi Jeff,
>
>No, during the installation, there was not an option to Run as
>Administration. But *after *installation, I found that if I selected
>Run
>as Administr
Did you by any chance use Run As Administrator to install R? If so then you
need to uninstall it and delete all files created by it (e.g.
Documents/R/win-lib/3.5/) and re-install using UAC as prompted.
On December 22, 2018 5:10:27 PM PST, Janh Anni wrote:
>Dear R Experts,
>
>I use Windows 10
Try using print instead of cat [1], and please read about what the arguments
are in the help file [2][3] for any function you are using before posting a
question.
[1]
https://stackoverflow.com/questions/31843662/what-is-the-difference-between-cat-and-print
[2] ?cat
[3] ?print
On December 22,
Read the man page for bash... source is built-in to the shell interpreter. You
should invoke a single shell instance that first sources the profile and then
executes the program... but this has nothing to do with R... this would be true
for any program invoking an external program on a
I can't figure out what message you are hoping to convey in your plot from your
posting... what are you comparing to what? Comments like "I've run into
different examples of people using vegan (an analysis package with some
diagnostic display functionality) or grDevices (a package supporting
You need to grasp two concepts:
1) Models in R conventionally have predict methods. To plot your model, predict
the dependent variable based on the model object and a grid of your independent
variable(s). Whether you have interactions or logistic regression shouldn't be
relevant to getting a
You will learn something useful if you search for "rolling join". The zoo
package can handle this, as can the data.table package (read the vignette).
Your decision to pad with NA at the end was ill-considered... the first point
of your first series is between the first two points of your second
This seems a bit deep into knitr for R-help... you might have better luck on
StackExchange. I also suggest that posting an incomplete example is usually the
kiss of death for getting constructive assistance online.
FWIW my guess is that executing knitr from within an Rmarkdown document is a
Looks fine to me, though you seem to be confused between what R is (on topic in
this mailing list) and what RStudio is (a fine software package that relies on
R but is not really on topic here).
Do find the link in the footer below about posting in R-help and read it before
posting again.
On
R supports a wide range of data transfer methods, Petr... you know for example
that if you export data from Excel in CSV format then you can import it to R,
yet this solution does not satisfy all users in all cases. What expectations do
you have?
Why don't you do some legwork and identify what
Read ?data.frame
In particular, notice the check.names argument.
On December 9, 2018 7:11:52 AM PST, Michael Dewey
wrote:
>Dear Jinsong
>
>Try cbind(x = 1:3, mat)
>and see if that helps
>
>Michael
>
>On 09/12/2018 15:05, Jinsong Zhao wrote:
>> Hi there,
>>
>> In the following mini-example, I
Please use a search engine, as all of the answers to these questions are
already written down online, and this mailing list is primarily handled by
volunteers who would have to do your searching for you to answer your questions.
On December 8, 2018 2:46:32 AM PST, ghada mhedat
wrote:
>Hello
>
myfirst <- sample( seq.int( nrow(myframe)-1 ), 1 )
mysample <- myframe[seq( myfirst, myfirst+1),]
mysample
On December 7, 2018 2:24:11 AM PST, Dagmar Cimiotti
wrote:
>Hi Jim and everyone else,
>
>Mhm, no this is not what I am looking for. I think in your way I would
>randomly sample two values
AFAIK this receiver-side responsibility to specify the text/binary status of
the file is particularly a problem with the "ftp://; protocol because it does
not use MIME file encoding (which "http://; uses). MIME allows the sending end
of the connection to communicate whether the file is text or
or with no loops and no preallocation:
bb <- aa[ , 2:5 ] - aa[ , 1:4 ]
On December 5, 2018 8:51:16 AM PST, Rui Barradas wrote:
>Hello,
>
>1) You don't need matrix(outer(etc)), outer already returns a matrix.
>2) You need to create bb first.
>
>aa <- outer(0:3, 0:4, function(x,y) x + y*2)
>
>bb
Your multiplication description sounds more like matrix multiplication than
scalar multiplication. R supports matrix multiplication with the %*% operator.
I didn't follow the rest of your description... are you doing a homework
assignment? There is a no homework policy on this list...
On
It is possible that this is not an RStudio-specific issue in spite of the
initial phrasing.
Mahboobe:
If when you use Rgui (Windows) or R.app (Mac) or plain R at the command line
(any OS) you still have problems, then you may need to ask for help here or in
R-sig-mac or R-sig-debian or
hz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing list -- To UNSUBSCRIBE an
a) You had to go out of your way to even install this package... it is lonly
available on R-forge. This kind of question seems likely to require support
from the package author. (Use the"maintainer" function to identify the author.)
b) You may find a similar functionality in a CRAN package. Try
http://lmgtfy.com/?q=cenReg
Notice that you will need to use the install.packages function to install the
package, and then the library function to attach it to the function search path.
On November 26, 2018 8:10:44 AM PST, Olofinsao Tosin
wrote:
>Greetings.
>
>Please I need cenReg function
You hope... but no... not really. You need to enhance your question with a
(minimal) example of the data just after importing into R, and another example
of what you think the result should look like. Also, you should provide your
current best guess at what a calculation would include expressed
I believe you have the wrong list. (Read the Posting Guide... you seem to have
R under control.) Try Rcpp-devel.
FWIW You probably need to spend some time with a C++ profiler... any language
can be unintentionally mis-used, and you first need to identify whether your
calling code is
My suggestion is to avoid converting the column to a factor until it is cleaned
up the way you want it. There is also the forcats package, but I still prefer
to work with character data for cleaning. The stringsAsFactors=FALSE argument
to read.table and friends helps with this.
On November 16,
Yes, you have misunderstood what memoise is for.
First, it is for when you call your function with the same inputs frequently as
part of your calling-level algorithm. For your iterative calculation you would
have a stuck (cycling) process if the same value of current were to be
revisited...
roject.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
---
Jeff NewmillerThe . . Go Live...
DCN:Basics: ##.#. ##.#. Live Go...
Don't give up on for loops entirely... some of the largest time savings in
optimizing loops are achieved by managing memory effectively. [1]
[1] https://www.r-bloggers.com/r-tip-use-vectormode-list-to-pre-allocate-lists
On November 8, 2018 8:05:39 PM PST, li li wrote:
>Hi all,
> I am trying
15
>6 6 14
>7 4 12
>9 8 16
>>
>> i <- 1
>> which(C[,1]==T[i,1]& C[,2]==T[i,2])
>[1] 1 13 15
>
>
>Bert Gunter 于2018年11月8日周四 上午10:43写道：
>
>> Yes -- much better than mine. I didn't know about the MARGIN argument
>of
>> duplicated().
&
Perhaps
which( ! duplicated( m, MARGIN=1 ) )
? (untested)
On November 7, 2018 9:20:57 PM PST, Bert Gunter wrote:
>A mess -- due to your continued use of html formatting.
>
>But something like this may do what you want (hard to tell with the
>mess):
>
>> m <- matrix(1:16,nrow=8)[rep(1:8,2),]
>>
This is highly problem dependent... and you appear to already know the answer.
Note that some differential evolution solution approaches may benefit from
parallelizing evaluation of generations since within that sub-problem the
optimization dependencies don't apply.
A theoretical discussion
Kimmo
Didn't perform exactly how I wanted but got me looking in the right area.
Thank you
Jeff
-Original Message-
From: R-help On Behalf Of K. Elo
Sent: Monday, November 5, 2018 1:14 PM
To: r-help@r-project.org
Subject: Re: [R] Importing JSON Files
Hi!
Have you tried to use 'fromJSON
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