Hello R-Helpers,
I was looking into how to test whether the beta coefficient from a regression
would be the same for two different groups contained in the dataset for the
regression.
When I put that question into google, AI returned a very nice looking answer
(and a couple of variations on it)
__
From: Joshua Ulrich
Sent: Sunday, January 5, 2025 2:55 PM
To: Sparks, John
Cc: r-help@r-project.org
Subject: Re: [R] Help Parsing String? From HTML
CAUTION: External Sender
On Sun, Jan 5, 2025 at 2:03 PM Sparks, John via R-help
wrote:
>
> Hi,
>
> I am scraping some data
Hi,
I am scraping some data from the internet and I got what I want but in a big
long string (sort of) and can't figure out a way to parse it.
What I have gotten to is
> mystring
{xml_nodeset (1)}
[1] {\n "symbol": "ABI",\n "open": 21.04,\n "high": 21.05,\n "low":
20.06,\n "close": 20.2,\
I don't see atr_df appearing in my current directory.
Also, I assume that the input data frame is named ohlc? Or am I missing
something.
Thanks,
--JJS
From: Joshua Ulrich
Sent: Sunday, January 5, 2025 11:31 AM
To: Sparks, John
Cc: R-help@r-project.org
Subjec
Thanks! Appears helpful and the quick turnaround is very much appreciated.
I'll do some testing now.
--JJS
From: Joshua Ulrich
Sent: Sunday, January 5, 2025 11:31 AM
To: Sparks, John
Cc: R-help@r-project.org
Subject: Re: Using library(TTR) Calculate ATR by Sy
Hi,
In looking at the documentation for the TTR library and particularly the
example for calculating the ATR (average true range). The example shows how to
calculate ATR for a file of a single stock.
If I have multiple stocks in one file, isn't there a way to get the ATR for
each of them? Or
I've advised people consulting me that if their data is loaded with
zeros, while they are absolutely certain that something should be where
the zeros are, then they either need a better measuring tool, or to
carefully document the results of limits on detectability and then note
what fraction o
On Thu, 19 Nov 2020 23:27:29 +0100
Heinz Tuechler wrote:
> One may remember that people who might feel offended by "Indian Red"
> (Native Americans) make up less than 0.5 percent of all "Indians".
> It is hardly the fault of the people of India that Native Americans
> were called Indians by an It
On Sun, 15 Nov 2020 17:35:41 -0900
Lainey Gallenberg wrote:
Lainey,
Assumptions are always fraught. Your assumption about the "meaning" of
Indian Red is simply wrong. Indian red is named for a lateritic soil in
India. It isn't racist, and I have American Indian friends who have
expressed disa
On Tue, 17 Nov 2020 12:43:21 -0500
C W wrote:
> Dear R list,
>
> I am an old-school R user. I use apply(), with(), and which() in base
> package instead of filter(), select(), separate() in Tidyverse. The
> idea of pipeline (i.e. %>%) my code was foreign to me for a while. It
> makes the code sh
On Thu, 29 Oct 2020 13:29:41 -0400
H wrote:
> I tried to install the fredr package yesterday to access the data
> series hosted by the St. Louis Fed but my installation of R, version
> 3.6, tells me it is not available from a cran repository.
>
> I could not find any information on this on the f
On Wed, 2 Sep 2020 16:31:53 -0500
David Jones wrote:
> Thank you Uwe, John, and Bert - this is very helpful context.
>
> If it helps inform the discussion, to address John and Bert's
> questions - I actually had less memory free when I originally ran the
> analyses and saved the workspace, than
On Wed, 2 Sep 2020 13:36:43 +0200
Uwe Ligges wrote:
> On 02.09.2020 04:44, David Jones wrote:
> > I ran a number of analyses in R and saved the workspace, which
> > resulted in a 2GB .RData file. When I try to read the file back
> > into R
>
> Compressed in RData but uncompressed in main memor
On Mon, 27 Jul 2020 10:12:33 -0700
Abhai Sawkar wrote:
It might help if you provided an example of what happens when you
invoke one of the routines. As it stands, this could be due to several
different causes.
JWdougherty
> Hi R support team,
>
> I downloaded R from the Internet and tried to
On Wed, 10 Jun 2020 15:36:11 -0500
Ana Marija wrote:
> Hello,
>
> I have a data frame like this:
>
> > head(tmp1)
> CHR BP PoldPnew
> 1 1 785989 0.9521 0.09278
> 2 1 1130727 0.4750 0.19010
> 3 1 1156131 0.5289 0.48520
> 4 1 1158631 0.2554 0.18140
> 5 1 1211292 0.2954 0
On Fri, 29 May 2020 08:47:35 +0300
Eric Berger wrote:
> Hi John,
> This is a bit off-topic for this mailing list as your issue is a
> linux, specifically Fedora, issue, and not R.
> I don't use Fedora but I did a quick Google search on
>
> fedora missing package .pc file
>
> and that came ba
On Fri, 29 May 2020 18:36:39 +0200
Martin Møller Skarbiniks Pedersen wrote:
> sudo dnf install libcurl-devel
Martin, I was going to say I had already done that more than once,
using both the command line and the new "dnfdragora" package manager,
but then decided, "what the heck. I'll try again."
I'm not certain just what this problem is. Trying to install the
"curl" package, which "tseries" wants results in the following error:
Package libcurl was not found in the pkg-config search path.
Perhaps you should add the directory containing `libcurl.pc'
to the PKG_CONFIG_PATH environment
Out of curiosity, and considering the bewildering array of projections
and grids in use for various mapping purposes, you seem to be saying in your
example 2 that the grid coordinates number south to north and east to
west. Given scale of the coordinate numbers, would that be a national
grid syste
On Mon, 16 Mar 2020 15:35:36 -0700
"Phillip Heinrich" wrote:
> Can’t get past first step of Chapter 7 page 164.
>
> Opened a new RStudio window. Loaded tidyverse and keyed in
> library(tidyverse) which of course includes dplyr. The working
> directory is: C:/Users/Owner/Documents.
>
> Then ke
This link
https://cran.cnr.berkeley.edu/
on the "mirrors" page no longer points to a CRAN mirror. It seems to
be generic to UCB.
JWDougherty
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On Tue, 2 Jul 2019 22:23:18 + (UTC)
Thomas Subia via R-help wrote:
> Colleagues,
> Can anyone suggest a package or code which might help me calculate
> the minimum sample size required to estimate the population variance?
> I can do this in Minitab but I'd rather do this in R. Thomas Subia
Y
On Wed, 5 Jun 2019 18:07:15 +0200
Frank Schwidom wrote:
In reading file names, names with spaces require escaping of the
spaces, and you are using not only a tilde but the space as spell. The
tilde is conventionally read as wild card representing the leading
portion of the file address, which is
On Wed, 29 May 2019 18:44:26 +0200
Nicolas Schuck wrote:
> Dear fellow R coders,
>
> I am observing differences in results obtained using glmer when using
> a Mac or Linux computer versus a PC
Just as an aside and point of information, both the Mac and the Linux
systems are PCs, just as m
On Wed, 8 May 2019 21:05:29 +0800 (CST)
yueli wrote:
> Hello,
>
>
> I am trying to install R.
>
>
> Thanks in advance for any help!
>
>
> Yue
>
>
It appears that your GCC compiler installation doesn't include all the
compilers that can come with it. All those "no's" listed in your
output
On Mon, 8 Apr 2019 11:19:12 +
Bill Poling wrote:
One solution to your problem may be to use an environment like
RStudio. You can maintain multiple open documents including an rmd
document and using knitr and rmarkdown, add and then run code snippets
the output of which becomes embedded in th
On Tue, 26 Feb 2019 05:47:38 -0800 (PST)
Rich Shepard wrote:
> /usr/lib/R/library/later/libs/later.so: undefined symbol:
> __atomic_fetch_add_8
Stackoverflow may help at least in locating the trouble. A web search
indicates the error is not unknown in other contexts than R.
JWDougherty
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