Displaying 20 results from an estimated 492 matches for "continous".
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2005 Oct 20
4
creating a derived variable in a data frame
Hello,
I have read through the manuals and can't seem to find an answer.
I have a categorical, character variable that has hundreds of values. I want to group the existing values of this variable into a new, derived (categorical) variable by applying conditions to the values in the data.
For example, suppose I have a data frame with variables: date, country, x, y, and z.
x,y,z are
2011 Feb 04
1
GAM quasipoisson in MuMIn
...h smooth OR linear term (but not both) for each
variable:
dd <- dredge(gam1, subset=(!`s(x1)` | !x1) & (!`s(x2)` | !x2) & (!`s(x3)` |
!x3))
But I'm not sure at all how to apply these instructions to my data
My formula is
GAM<-gam(Species richness (count) ~ Categorical + Continous + Continous + *
s*(Continous ) + Continous : Continous + Continous : Continous,
family=quasipoisson, data =)
Thanks for any advice on script
Karen
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2009 Sep 22
2
Semi continous variable- define bounds using lpsolve
How to define bounds for a semi continous variable in lp_solve.
Min 5x1 +9x2 +7.15x3 +0.1x4
subject to
x1+x2+x3+x4=6.7
x1+x4 <= 6.5
And x3 can be 0 or greater than 3.6
hence x3 is a semi continous variable
how to define bounds as well as semicontinous function because using
set.semicont and set. bound simantaneously doesn't seem...
2008 May 15
1
Remove controller name from URL > nested routes
Hi..
There are my nested routes
map.resources :continent do |continent|
continent.resources :land do |land|
land.resources :destination
end
end
By example it generates this url
http://example/continent/azie/land/japan/destination/aomori
I want
http://example/continent/azie/japan/aomori
How can i realize this...?
Grtz...remco
--
Posted via
2005 Apr 24
2
A question on the library lme4
Hi,
I ran the following model using nlme:
model2<-lme(log(malrat1)~I(year-1982),random=~1|Continent/Country,data=wbmal10)
I'm trying to run a Poisson GlMM to avoid the above transformation but I
don't know how to specify the model using lmer in the lme4 library:
model3<-lmer((malrat1)~I(year-1982) + ??,data=wbmal10,family=poisson)
How can I introduce a random factor of the
2009 May 04
1
mosaic plot with two factors and one continous variable
Hello,
my dataset is already aggregated: I have two categorical variables, say
"continent" and "country" and one non-negative metric variable "population".
Now I would like to produce a mosaic plot which uses "population" to
determine how large each area of the plot is.
In other words, I fail to find out
- how to use the mosaic function of the vcd package
2009 Jul 20
3
Re gression using age and Duration of disease as a continous factors
Please explain me as what it means and how this analysis can be done using R
and which library(ies) are needed.
Thanks
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2007 Nov 25
1
Problem for creating continous streaming and viwing in a webpage
...for creating my Webtv for creating a
continuos streaming of some files
In the filename filed of Ezstream xml configuration i put a simple m3u
playlist.
My problems begin when ezstream begin to encode and stream the second file:
If a use a system player , like Vlc or totem , the stream it's continous
, if I use a web player like Cortado or Itheora , they stop to play when
ezstream change from two file (for exampl from the first to second)
How I can solve my problem?
If you see visonair.tv ( see http://82.165.31.84:443 ), they use icecast
how streaming server , and cortado . On their site th...
2007 Nov 25
1
Problem for creating continous streaming and viwing in a webpage
...for creating my Webtv for creating a
continuos streaming of some files
In the filename filed of Ezstream xml configuration i put a simple m3u
playlist.
My problems begin when ezstream begin to encode and stream the second file:
If a use a system player , like Vlc or totem , the stream it's continous
, if I use a web player like Cortado or Itheora , they stop to play when
ezstream change from two file (for exampl from the first to second)
How I can solve my problem?
If you see visonair.tv ( see http://82.165.31.84:443 ), they use icecast
how streaming server , and cortado . On their site th...
2006 Sep 29
1
newbie Q: it won't display foreign keys...
I have two tables
CREATE TABLE continents (
id int(11) NOT NULL auto_increment,
name varchar(255) NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE countries (
id int(11) NOT NULL auto_increment,
name varchar(255) NOT NULL,
continent_id int(11) NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
I generate scaffolds for country and for
2008 Aug 06
1
Correlation dichotomous factor, continous (numerical) and ordered factor
...ariables
are dichotomous factors, continuous (numerical) and ordered factors.
I would like to calculate the linear correlation between every pair of my
variables, because I would like to perform a logistic regression (glm())
without the correlation between variables.
I thought I could use for the continous (numerical) and ordered factor a
spearman correlation that is using the ranks.
But I thought also that I have to use a contingency table for the
dichotomous factors.
I read also that it is possible to use a point-biserial correlation to
calculate the correlation between dichotomous and continuou...
2007 Aug 21
2
divided scatter plots
I have a data set which contains two columns. The first column is a
list of countries, and the second column contains their political risk
ratings. I would like to create one large plot that contains 5
different sections, each with a scatter plot. To clarify, I have
divided the countries into 5 groups. For each group (continent), I
would like to have the name of the continent on the x-axis, and
2010 Oct 20
4
How to select not continous rows?
Hello
How can I select several not continuous rows ?
If I wanted to select rows 1 to 7 I'll write
mydata[,1:7]
But what if I need to select rows 1 to 5 and 10 to 15?
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2017 Sep 07
3
ISO3 code to 7 continents names
Dear all.
Is it possible to convert.identify iso3 country names to the seven
continent names?
# Asia, Africa, Antarctica, Australia, Europe, South America, and North
America,
I have tried the following:
###
region <- merge(countryExData,df,by.x='ISO3V10',by.y='iso3')
where df is the name of my dataset with iso3 the identification variable
but there seems to be a a lot of
2005 May 11
0
entropy and conditional entropy for continous variables
...for an R
solution I thought this was the best place:
I would like to calculate the entropy for a variable and the conditional
entropy between two variables, H(X|Y) for variables X & Y
I have coded the case for the categorical case but I'm having problems
understanding how to do it for the continous case.
>From what I understand, for continous variables the entropy would be
\integral_{A} f(x) log( f(x) ) dx
where f(x) is the density of X and A is the support.
I have tried obtaining the density of X by using the density estimation
methods of the KernSmooth package and then doing a numeri...
2011 May 13
0
Coloring Continents/Regions of World Map
Dear All,
This may be a silly question, but I have tried searching through a few of
the existing threads already, and haven't found any information on this.
I am trying to color code entire continents/regions (Asia, North America,
Africa, etc.) based on the number of relevant companies. The data would
look like:
World Location Companies
North America 4848
Western Europe 1972
East Asia
2017 Sep 07
0
ISO3 code to 7 continents names
> On Sep 7, 2017, at 11:36 AM, Miluji Sb <milujisb at gmail.com> wrote:
>
> Dear all.
>
> Is it possible to convert.identify iso3 country names to the seven
> continent names?
>
> # Asia, Africa, Antarctica, Australia, Europe, South America, and North
> America,
>
> I have tried the following:
>
> ###
> region <-
2010 Jan 28
10
Anyone successfully setup Continous Backup of mailboxes using rsync ?
Hi All..
Am working on continous backup of mailboxes using rsync(for e.g by running rsync every 2 min)
Things gets more complicated when users create Subfolders in INBOX , SENT , etc..
If anyone among you did that plz guide & advise.
Thanks
CoolAtt
______________________________________________________________...
2011 Mar 17
5
Spatial cluster analysis of continous outcome variable
Dear R Users, R Core
Team,
I have a two dimensional space where I measure a numerical value in two situations at different points. I have measured the change and I would like to test if there are areas in this 2D-space where there is a different amount of change (no change, increase, decrease). I don´t know if it´s better to analyse the data just with the coordinates or if its better to group them
2011 Feb 04
0
GAM quasipoisson in MuMIn - SOLVED
...t;
>
>
>
> dd <- dredge(gam1, subset=(!`s(x1)` | !x1) & (!`s(x2)` | !x2) & (!`s(x3)` |
> !x3))
>
>
> But I'm not sure at all how to apply these instructions to my data
>
>
> My formula is
>
> GAM<-gam(Species richness (count) ~ Categorical + Continous + Continous +
> *s*(Continous ) + Continous : Continous + Continous : Continous,
> family=quasipoisson, data =)
>
>
> Thanks for any advice on script
>
>
> Karen
>
>
>
>
>
--
Karen Moore
PhD Researcher,
FORESTBIO,
Department of Botany,
Trinity College Dubli...