On Mon, 2018-12-10 at 22:17 +0100, Fatma Ell wrote:
> Dear all,
> I'm trying to use ks.test in order to compare two curve. I've 0 values i
> think this is why I have the follonwing warnings :impossible to calculate
> exact exact value with ex-aequos
>
> a=c(3.02040816326531, 7.95918367346939,
example, the cumulative probability of reaching a point
> outside the cube (u or v or w > A) is 1 however, the bigger cube does not
> exists (because the Q is the reference space). Other words, I feel that we
> extend the space to accommodate any cube of any size! Looks a bit weird to
>
Sorry -- stupid typos in my definition below!
See at ===*** below.
On Tue, 2018-10-23 at 11:41 +0100, Ted Harding wrote:
Before the ticket finally enters the waste bin, I think it is
necessary to explicitly explain what is meant by the "domain"
of a random variable. This is not (though
Before the ticket finally enters the waste bin, I think it is
necessary to explicitly explain what is meant by the "domain"
of a random variable. This is not (though in special cases
could be) the space of possible values of the random variable.
Definition of (real-valued) Random Variable (RV):
I think that one can usefully look at this question from the
point of view of what "NaN" and "NA" are abbreviations for
(at any rate, according to the understanding I have adopted
since many years -- maybe over-simplified).
NaN: Mot a Number
NA: Not Available
So NA is typically used for missing
Pietro,
Please post this to r-help@r-project.org
not to r-help-ow...@r-project.org
which is a mailing liat concerned with list management, and
does not deal with questions regarding the use of R.
Best wishes,
Ted.
On Sat, 2018-07-14 at 13:04 +, Pietro Fabbro via R-help wrote:
> I will try to
I've been following this thread, and wondering where it might lead.
My (possibly naive) view of these matters is basically logical,
relying on (possibly over-simplified) interpretaions of "NA" and "NaN".
These are that:
"NaN" means "Not a Number", though it can result from a
numerical
On Tue, Jul 3, 2018 at 9:25 AM, J C Nash wrote:
>
> > . . . Now, to add to the controversy, how do you set a computer on fire?
> >
> > JN
Perhaps by exploring the context of this thread,
where new values strike a match with old values???
Ted
__
On Mon, 2018-06-25 at 09:46 +1200, Rolf Turner wrote:
> Does/should one say "the degrees of freedom is defined to be" or "the
> degrees of freedom are defined to be"?
>
> Although value of "degrees of freedom" is a single number, the first
> formulation sounds very odd to my ear.
>
> I would
nding of Numbers", covering the
functions ceiling(), floor(), trunc(), round(), signif().
Well worth reading!
Best wishes,
Ted.
On Thu, 2018-05-31 at 08:58 +0200, Martin Maechler wrote:
> >>>>> Ted Harding
> >>>>> on Thu, 31 May 2018 07:10:32
Well pointed out, Jim!
It is infortunate that the documentation for options(digits=...)
does not mention that these are *significant digits* and not
*decimal places* (which is what Joshua seems to want):
"‘digits’: controls the number of digits to print when
printing numeric values."
On the
Apologies for disturbance! Just checking that I can
get through to r-help.
Ted.
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PLEASE do read the posting guide
Not necessarily. The R-help archives are publicly accessible,
with a "sort by date" option. So if someone sets up a web=page
monitor which reports back when new messages appear there
(at the bpottom end), then their email addresses are readily
copied (subject to " at " --> "@".
Once they have the
A. On Sat, 2018-03-31 at 15:45 +0200, Henri Moolman wrote:
> Could you please provide help with something from R that I find rather
> puzzling? In the small program below x[1]=1, . . . , x[5]=5. R also
> finds that x[1]<=5 is TRUE. Yet when you attempt to execute while, R does
> not seem
On Sun, 2018-01-21 at 09:59 +0100, Luigi Marongiu wrote:
> Dear all,
> I have a string, let's say "testing", and I would like to extract in
> sequence each letter (character) from it. But when I use substr() I only
> properly get the first character, the rest is empty (""). What am I getting
>
On Thu, 2017-07-20 at 14:33 +0200, peter dalgaard wrote:
> > On 10 Jan 2013, at 15:56 , S Ellison wrote:
> >
> >
> >
> >> I am working with large numbers and identified that R looses
> >> precision for such high numbers.
> > Yes. R uses standard 32-bit double
[I unadvertently sent my reply below to Jeremie, instead of R-help.
Also, I havve had an additional thought which may clarify things
for R users].
[Original reply]:
The point about this is that (as Rolf wrote) FALSE & (anything)
is FALSE, provided logical NA is either TRUE ot FALSE but,
because
s normally "almost" trivial feature can, for such a simple
calculation, lead to chaos or catastrophe (in the literal technical
sense).
For more detail, including an extension of the above, look at the
original posting in the R-help archives for Dec 22, 2013:
From: (Ted Harding) <ted.hard.
p@r-project.org mailing list -- To UNSUBSCRIBE and more, 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.
__
>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, 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-
k out the data.table package, as suggested.
>
> -- Bert
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along
> and sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
eakfinex.html
>> >>
>> >> As far as I can tell, weakrefs are only available via the C API. Is
>> >> there a way to do what I want in R without resorting to C code? Is
>> >> what I want to do better achieved using something other than weakrefs?
>> >
>>
>>> install.packages("devtools") library(devtools)
>>> install_github("ecbrown/LaplacesDemon")
>>
>> but I am not able to install devtools (for similar reasons). So my
>> questions are:
>>
>> -Do anyone knows how to install
>
> saludos,
> José
---------
E-Mail: (Ted Harding) <ted.hard...@wlandres.net>
Date: 04-Feb-2016 Time: 22:01:42
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htt
ering with my account defaults
> doesn't change that.
>
> I don't _think_ things have changed at my end ...
>
> Steve Ellison
---------
E-Mail: (Ted Harding) <ted.hard...@wlandres.net>
Date: 04-Feb-2016 Time: 17:03:37
This message was sen
e R-help subscribers to click the
> "Don't send" or "Save" button and think better of their replies.
>
>
> --
> Michael Friendly Email: friendly AT yorku DOT ca
> Professor, Psychology Dept. & Chair, Quantitative Methods
> York University
;F"
>>> >> >>
>>> >> >> should do it.
>>> >> >>
>>> >> >> Best,
>>> >> >> Ista
>>> >> >>
>>> >> >> On Fri, Oct 30, 2015 at 9:15 PM, Val
p
Towards the bottom of this page is a section "Subscribing to R-help".
Follow the instructions in this section, and it should work!
Best wishes,
Ted.
---------
E-Mail: (Ted Harding) <ted.hard...@wlandres.net>
Date: 14-Oct-2015 Time: 19:
[R] Beta distribution approximate to Normal distribution
>
> Hi,
> I need to generate 1000 numbers from N(u, a^2), however I don't
> want to include 0 and negative values. How can I use beta distribution
> approximate to N(u, a^2) in R.
>
.
-
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Date: 09-Feb-2015 Time: 22:15:44
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PLEASE do read
.
-
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Date: 02-Feb-2015 Time: 12:43:51
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Sorry, a typo in my reply below. See at ###.
On 12-Jan-2015 11:12:43 Ted Harding wrote:
On 12-Jan-2015 10:32:41 Erik B Svensson wrote:
Hello
I've got a problem I don't know how to solve. I have got a dataset that
contains age intervals (age groups) of people and the number of persons
the = is
satisfied by also.
Hoping this helps!
Ted.
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Date: 12-Jan-2015 Time: 11:12:39
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read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 11-Jan-2015 Time: 08:48:03
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I should have added an extra line to the code below, to complete
the picture. Here it is (see below line ##.
Ted.
On 11-Jan-2015 08:48:06 Ted Harding wrote:
Troels, this is due to the usual tiny difference between numbers
as computed by R and the numbers that you think they are!
tt
-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 01-Jan-2015 Time: 21:28:22
This message
and provide commented, minimal, self-contained, reproducible code.
-
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Date: 19-Dec-2014 Time: 10:21:23
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for this particular
co-variate is missing in the model but not completely remove the row? This
is more what I was hoping someone would know if it's possible to
incorporate into the model I described above?
Thanks
On Fri, Dec 19, 2014 at 10:21 AM, Ted Harding ted.hard...@wlandres.net
wrote:
Hi
.
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PLEASE do read the posting guide http://www.R
109 NAfather
109 NAmother
That's the data. Now a little quiz question: Can you guess the
identity of the person with sample.ID = 01 ?
Best wishes to all,
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 17-Aug
On 12-Aug-2014 22:22:13 Ted Harding wrote:
On 12-Aug-2014 21:41:52 Rolf Turner wrote:
On 13/08/14 07:57, Ron Michael wrote:
Hi,
I would need to get a clarification on a quite fundamental statistics
property, hope expeRts here would not mind if I post that here.
I leant that variance
)/(dim(Data_Normalized)[1]-1)
and compare the result with
cor(Data)
And why? Look at
?sd
and note that:
Details:
Like 'var' this uses denominator n - 1.
Hoping this helps,
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 12
was n, apparently not being aware
that R uses (n-1).
Just a few thoughts ...
Ted.
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Date: 12-Aug-2014 Time: 23:22:09
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be able to solve the equations for a and b.
Hoping this helps,
Ted.
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Date: 05-Aug-2014 Time: 11:46:52
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: (Ted Harding) ted.hard...@wlandres.net
Date: 25-Jun-2014 Time: 21:55:42
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PLEASE do read the posting guide http://www.R-project.org/posting
can get my memory space back.
Ayako
[[alternative HTML version deleted]]
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Date: 17-Jun-2014 Time: 14:14:40
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and provide commented, minimal, self-contained, reproducible code.
-
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Date: 14-May-2014 Time: 18:16:12
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0.000 0.081
(though in fact the times are somwhat variable in both cases,
so I'm not sure of the value of the relationship).
Best wishes,
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 06-May-2014 Time: 19:41:13
This message
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PLEASE do
* 36662978)
[1] 6195624596620653502
library(Ryacas)
yacas(168988580159 * 36662978, retclass = character)
6195624596620653502
library(gmp)
as.bigz(168988580159) * as.bigz(36662978)
Big Integer ('bigz') :
[1] 6195624596620653502
On Sun, May 4, 2014 at 12:50 PM, Ted Harding ted.hard
9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30
and now just count down the 3rd column (as before).
Maybe this helps ...
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 07-Apr-2014 Time: 19:29:41
the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 30-Mar-2014 Time: 21:12:16
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are in no particular order as a whole; and in some datasets the
different separate parts of the boundary do not exactly match up
at the points where they should exactly join.
Hoping this helps,
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 23
)}
}
rounddown - function(x){
if((x-floor(x))==1/2){
floor(x)
} else {round(x)}
}
Also have a look at the help page
?round
Hoping this helps,
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 20-Mar-2014 Time: 20:04:20
.
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Date: 02-Mar-2014 Time: 20:57:07
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to others ...
Ted.
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punion - function(p){1 - prod(1-p)}
should do it!
Ted.
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Date: 18-Feb-2014 Time: 23:51:31
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shifted gamma distribution in r?
Thanks a lot!
Rodrigo.
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Date: 13-Feb-2014 Time: 17:27:29
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-
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Date: 03-Feb-2014 Time
://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
-
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Date: 12-Jan-2014 Time: 18:01:25
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position (down to the line number),
and various measures of memory use.
Duncan Murdoch
Also have a look at
?trace
which you may be able to use for what you want.
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 03-Jan-2014 Time: 00:14
its head!
All it has to do is multiply by 2 -- and it gets it cumulatively wrong!
R just doesn't add up ...
Season's Greetings to all -- and may your calculations always
be accurate -- to within machine precision ...
Ted.
-
E-Mail: (Ted Harding
2013 10:59, Ted Harding ted.hard...@wlandres.net wrote:
Greetings All!
With the Festive Season fast approaching, I bring you joy
with the news (which you will surely wish to celebrate)
that R cannot do arithmetic!
Usually, this is manifest in a trivial way when users report
puzzlement
: +X000U.UU000U0UU0UUU000U00U000UU0UUP+
U: +X0001.1100010110111000100100011011P+
The final result probably needs tidying up in accordance with
the needs of subsequent uses!
Hoping this helps,
Ted.
-
E-Mail: (Ted Harding
,
Ted.
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Date: 14-Dec-2013 Time: 10:54:00
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 17-Nov-2013 Time: 23:55:48
,]133
# [7,]222
# [9,]233
#[10,]333
There may be a simpler way!
Ted.
-
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Date: 07-Nov-2013 Time: 17:04:50
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instead of 1.53?
-
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Date: 16-Oct-2013 Time: 16:12:56
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Date: 29-Sep-2013 Time: 19:31:29
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PLEASE do read the posting guide http://www.R
consolation to R:
all.equal(0,sin(pi))
# [1] TRUE
So it depends on what you mean by different from. Computers
have their own fuzzy concept of this ... Babak has too fussy
a concept.
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 26
-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 21-Aug-2013 Time: 18:30:44
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On 21-Aug-2013 19:08:29 David Winsemius wrote:
On Aug 21, 2013, at 10:30 AM, (Ted Harding) wrote:
Greetings all.
I suspect this question has already been asked. Apologies
for not having taced it ...
In the default pairs plot produces by the function pairs(),
the coordinate scales
of x and then apply
it to whatever multiple of the unit you happen to be interested in
as a change (along with the reasons for that interest).
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 12-Jun-2013 Time: 17:14:00
This message was sent
message to R-help,
one of the moderators will approve it (though quite possible not
immediately).
Hoping this helps,
Ted (one of the moderators)
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 01-Jun-2013 Time: 20:11:00
This message was sent
.
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Date: 14-May-2013 Time: 11:07:46
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PLEASE do read the posting guide
by a method which was prompted by looking at the data
in the first place.
Hoping this helps,
Ted.
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Date: 09-May-2013 Time: 09:35:05
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:
V1 = c(A1,A2,A3,...)
V2 = c(B1,B2,B3,...)
Suggestions?
With thanks,
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 25-Apr-2013 Time: 11:16:46
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Thanks, Jorge, that seems to work beautifully!
(Now to try to understand why ... but that's for later).
Ted.
On 25-Apr-2013 10:21:29 Jorge I Velez wrote:
Dear Dr. Harding,
Try
sapply(L, [, 1)
sapply(L, [, 2)
HTH,
Jorge.-
On Thu, Apr 25, 2013 at 8:16 PM, Ted Harding ted.hard
...
Hoping this helps,
Ted.
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and provide commented, minimal, self-contained, reproducible code.
-
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Date: 16-Apr-2013 Time: 19:12:21
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to either a row or column matrix
to make the two arguments conformable. If both are vectors it
will return the inner product (as a matrix).
Usage:
x %*% y
[etc.]
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 11-Apr
*100 == 29
# [1] FALSE
we have:
round(0.29*100) == 29
# [1] TRUE
Hoping this helps,
Ted.
-
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Date: 09-Apr-2013 Time: 17:56:33
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empirically).
With thanks,
Ted.
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On 01-Apr-2013 21:26:07 Robert Baer wrote:
On 4/1/2013 4:08 PM, Peter Ehlers wrote:
On 2013-04-01 13:37, Ted Harding wrote:
Greetings All.
This is a somewhat generic query (I'm really asking on behalf
of a friend who uses R on Windows, whereas I'm on Linux, but
the same phenomenon appears
.
-
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Date: 27-Mar-2013 Time: 21:21:39
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PLEASE do read
function which could offer similar viewing capability without
the risk of data change?
With thanks,
Ted.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 26-Mar-2013 Time: 10:08:58
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Rowlingson wrote:
On Tue, Mar 26, 2013 at 10:09 AM, Ted Harding ted.hard...@wlandres.net
wrote:
Greetings All.
The function edit.data() allows a convenient spreadsheet-like
view of a dataframe with too many rows/columns to fit on the
screen (especially when there are many columns). Very useful
when
[mailto:r-help-boun...@r-project.org] On
Behalf Of Ted Harding
Sent: Dienstag, 26. März 2013 11:09
To: r-help@r-project.org
Subject: [R] edit.data() read-only?
Greetings All.
The function edit.data() allows a convenient spreadsheet-like view of a
dataframe with too many rows/columns to fit
.
-
E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 22-Mar-2013 Time: 13:31:31
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PLEASE do read the posting guide http://www.R
at least a second moment, hence excluding, for
example, the Cauchy distribution).
That's about as far as one can go with your question!
Hoping it helps, howevr.
Ted.
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E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 03-Mar-2013 Time: 17:12:50
^0.5
# [1] 1.490116e-08
.Machine$double.eps
# [1] 2.220446e-16
(0.1 + 0.05) - 0.15
# [1] 2.775558e-17
Hoping this helps,
Ted.
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E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 30-Jan-2013 Time: 23:22:53
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on the head! (Maybe area2 = 325 was a typo?).
Best wishes to all,
Ted.
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E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 28-Jan-2013 Time: 00:09:32
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this helps,
Ted.
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E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 09-Jan-2013 Time: 10:29:21
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is this one:
*http://tinyurl.com/histogram-rt-pvalues-pdf
*
*all the best
idaios
*
On Wed, Jan 9, 2013 at 12:29 PM, Ted Harding ted.hard...@wlandres.netwrote:
On 09-Jan-2013 08:50:46 Pavlos Pavlidis wrote:
Dear all,
I observer a strange behavior of the pvalues of the t-test under
the null
)
abline(lm3)
Hoping this helps,
Ted.
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E-Mail: (Ted Harding) ted.hard...@wlandres.net
Date: 18-Dec-2012 Time: 21:00:25
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Sorry, I made a mistake in re-writing your code below. See at [***]
On 18-Dec-2012 21:00:28 Ted Harding wrote:
On 18-Dec-2012 20:09:36 Beatriz González Domínguez wrote:
Hello,
I have done a scatterplot and now would like to add its regression
line but it does not show.
Below, the code I
are based on the probabilities of the tables,
and take as 'more extreme' all tables with probabilities less
than or equal to that of the observed table, the p-value being
the sum of such probabilities.
I hope this helps.
Ted.
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E-Mail: (Ted Harding
: (Ted Harding) ted.hard...@wlandres.net
Date: 03-Dec-2012 Time: 22:44:14
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curve is plotted at the mid-points of the cells.
Hence, try something like:
hist(Sample_ChiSq, freq = FALSE, breaks=0.5*(0:40))
x0 - 0.25+0.5*(0:20)
lines(x0,dchisq(x0,1))
Hoping this helps,
Ted.
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E-Mail: (Ted Harding) ted.hard...@wlandres.net
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