Hi everyone,
After reading the external file into R it will become a R dataset. Now my
querry is i want to dispaly only character variables from that dataset.
please help me in this aspect. if possible send me the code. it will be very
helpful for us.
Thank you in Advance.
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Hi R-users and R-experts,
I am having a hard time in figuring out how to tackle regex questions where the
"backslash" character is an integral part of the string. Let me explain how
I came across this problem :
I wanted to clearly see all the components in the windows environmental path
variable
Dear Bernd,
which version of the package vars are you using? Have tried estimating
estimating the VAR first and only? Within the function VAR() the equations are
estimated by lm(). Would you be so kind and send the result of traceback()?
Best,
Bernhard
>-Ursprüngliche Nachricht-
>Von
Kevin Wright wrote:
library(nlme)
m2 <- gnls(conc ~ t1*(1-t2*exp(-k*time)),
data = df.Chloride,
start = list(
t1 = 35,
t2 = 0.91,
k = 0.22))
So my error was to use nls instead that gnls. Thanks a lot, Kevin.
summary(m2)
plot(m2)
l
Billeke wrote:
>
> I'm a bit lost while performing multiple comparisons on a lme model of
> that type:
>
> lmeglu=lme(glucose~Ath*tim,random=~1|Vol,na.action=na.omit,data=data)
> multc = glht(lmeglu, linfct = mcp(Ath = "Tukey", tim = "Tukey"))
>
> This works fine for identifying the effect of
Hi,
If you have a data.frame, perhaps this can help,
tc = textConnection("carat cut color clarity depth table price x y z
1 0.23 Ideal E SI2 61.555 326 3.95 3.98 2.43
2 0.21 Premium E SI1 59.861 326 3.89 3.84 2.31
3 0.23 Good E VS1 56.965
s1 should use \\ like this:
s1<-
"C:\\Rtools\\bin;C:\\Rtools\\perl\\bin;C:\\Rtools\\MinGW\\bin;C:\\Program\\MiKTeX
2.7\\miktex\bin"
Also 1. you won't need to change your path in the first place if you use
the batchfiles at http://batchfiles.googlecode.com
2. there is also a free path editor disc
Dear all,
A hopefully simple question: how do I round a series of values (held in an
object) to the nearest 5? I've checked out trunc, round, floor and ceiling, but
these appear to be more tailored towards rounding decimal places.
Thanks,
Steve
_
First re-read the definition of what a SpatialPixels object is -
?"SpatialPixels-class" - note that it says: "class for defining a pixels,
forming a possibly incomplete rectangular grid of arbitrary dimension". When
you try to coerce a SpatialPointsDataFrame to a SpatialPixelsDataFrame, it
is chec
Steve Murray ha scritto:
Dear all,
A hopefully simple question: how do I round a series of values (held in an
object) to the nearest 5? I've checked out trunc, round, floor and ceiling, but
these appear to be more tailored towards rounding decimal places.
Thanks,
Steve
I had a similar p
Hi,
I am trying to calculate the std dev of returns of YHOO so far i got:
getSymbols("YHOO")
retYHOO <- Return.calculate(Cl(YHOO))
> sd(retYHOO)
YHOO.Close
NA
but i received an NAcan any assist? tks!
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Hi Sir
How can I change plot size, figure size and device size? The examples availble
for par() function are not very helpful. Would you please give a very simple
example?
Best Regards
_
Show them the way! Add maps and d
Hi!
I'm a bit lost while performing multiple comparisons on a lme model of that
type:
lmeglu=lme(glucose~Ath*tim,random=~1|Vol,na.action=na.omit,data=data)
multc = glht(lmeglu, linfct = mcp(Ath = "Tukey", tim = "Tukey"))
This works fine for identifying the effect of each factor. However, when I
Hello.
I have a vector and within that vector is one expression. When I display
this vector it comes up as
expression(NA_character_, NA_character_, "Null Effect", "Pooled effect",
NA_character_, NA_character_, NA_character_, NA_character_,
NA_character_, paste("Het Contours ", I^2, se
Readers,
Previous questions about this requirement have been for m$ users, my
failure occurs using linux.
I have tried to add the delta (δ) symbol to the y axis label and the
result is &D, using the command:
...ylab="δt"...
Any advice please?
rh...@conference.jabber.org
mandriva 2008
r 251 (27
Dear all,
I have a question regarding the spdep package:
Assume that each person within my dataset is characterized by a continuous
variable y. In order to test for spatial autocorrelation in y I calculated a
Moran's I statistic. The problem is that y is also likely to be influenced by a
s
mround <- function(x,base){
base*round(x/base)
}
> mround(14,5)
[1] 15
Steve Murray wrote:
> Dear all,
>
> A hopefully simple question: how do I round a series of values (held in an
> object) to the nearest 5? I've checked out trunc, round, floor and ceiling,
> but these appear to be
I deal with mono-channel breathing signals sampled at 30[Hz] which are
non-linear and non-stationary.
My goal is to classify the signals according to common breathing patterns
Trend remotion is necessary for cluster analysis but quite challenging. In
fact, quasi-periodic patterns that span a numb
mohsin ali wrote:
Hi Sir
How can I change plot size, figure size and device size? The examples availble
for par() function are not very helpful. Would you please give a very simple
example?
Hi Mohsin,
The device size is determined by the function that starts it. For
example, the defa
On Mon, 17 Aug 2009 05:54:18 + mohsin ali
wrote:
MA> How can I change plot size, figure size and device size? The
MA> examples availble for par() function are not very helpful. Would
MA> you please give a very simple example?
It would be easier if you would tell what exactly you want to do.
On Sun, 16 Aug 2009 22:43:14 -0700 (PDT) afx111
wrote:
A> getSymbols("YHOO")
A> retYHOO <- Return.calculate(Cl(YHOO))
A> > sd(retYHOO)
A>
A> YHOO.Close
A> NA
A>
A> but i received an NAcan any assist? tks!
You receive NA because getSymbols went wrong, so YHOO was empty. Try
getSym
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