Displaying 20 results from an estimated 3000 matches similar to: "Merging two data sets"
2008 Sep 06
2
Hopefully an easy error bar question
Hi im trying to add error bars to my barplots, there very basic, i have a few grapghs where the y variable is different but on all the X variable is Age (Adult and Juvenile) however this is split into two levels so i have males and females, so my graph basically has four bars on it.
I know how to add eror bars for instance when there is only one level eg lookng at the diffrence between male and
2010 Nov 10
1
Inserting Missing Data
Greetings
I'm attempting to insert missing data on the smallest size class of
cave cricket instars into a data frame. The data involve censusing
photoplots (plots) of roosting cave crickets in which we discern in four
instars or size classes. I need to insert data on size class one into a
data frame that already has data on size classes two through four. The
data can be merged by their
2008 Jun 06
1
editing a data.frame
dear R users,
the data frame (read in from a csv) looks like this:
TreeTag Census Stage DBH
1 CW-W740 2001 juvenile 5.8
2 CW-W739 2001 juvenile 4.3
3 CW-W738 2001 juvenile 4.7
4 CW-W737 2001 juvenile 5.4
5 CW-W736 2001 juvenile 7.4
6 CW-W735 2001 juvenile 5.4
...
1501 1.00E-20 2001 adult 32.5
i would like to
2010 Dec 09
3
hi have a question about merging.
this is the problem:
load this R data frame over the internet and save it to your hard drive.
http://rss.acs.unt.edu/Rdoc/library/twang/data/raceproling.RData
please show how to save a dataset of males only (the variable male=1) to a new dataframe. Then do the same thing for females (male=0). Then show how to recombine the two datasets to belike the original one except that the female
2010 Jul 20
1
Using" fig=" in one screen created with "split.screen()"
Hi,
I successfully created 3 screens with the following:
fig.mat<-c(0,.5,.5,.5,1,1,0,0,.5,1,.5,1)
fig.mat<-matrix(fig.mat,nrow=3)
fig.mat
split.screen(fig.mat)
I can plot three different plots on those 3 screens, but when I try the following:
(Trying to create three graphs with a common x-axis but different y-axis on screen 1)
screen(1)
par(oma=c(3,3,0,0))
par(fig=c(0,1,0,0.33))
2017 Jun 20
3
Help
Dear expert friends,
I'm pretty young of this world and my question at your eyes can be petty
easy.
I'll need to change the name of the levels inside a column of my data-frame
levels(ind.davis$Ageclass) <- c("adult", "Juvanile", "sub-adult")
names(ind.davis$Ageclass) <- c("Adult", "Juvenile", "Sub-adult")
that is what I
2010 Oct 22
2
Confusing error statement
Greetings
Using the following command I've been trying to subset a dataframe of
counts of an organism to compute the sizes of groups for use as a
predictor:
Hs.patches <- as.data.frame(with(Hs.long,
table(Cave,Year,Month,Region,Plot,)))
I am getting the following error message that I do not understand:
ERROR: argument is missing, with no default
Can anyone shed light on this
2017 Jun 20
0
Help
Leonardo--
R-help can be a very useful resource. Some suggestions to use it well:
1. use an informative subject line, not "help"
2. include a "minimal working example:" a *little* data, the code that,
with those data, reproduces your problem, and the error message that
resulted.
As to your particular question, at this point I can only guess, but for
starters it would
2011 Jun 28
1
plotting survival curves with model parameters
Hello.
I am trying to write an R function to plot the survival function (and
associated hazard and density) for a Siler competing hazards model.
This model is similar to the Gompertz-Makeham, with the addition of a
juvenile component that includes two parameters---one that describes
the initial infant mortality rate, and a negative exponential that
describes typical mortality decline over the
2012 Nov 05
1
Post hoc tests in gam (mgcv)
Hi.
I'm analysing some fish biological traits with a gam in mgcv. After several
tries, I got this model
log(tle) = sexcolor + s(doy, bs = "cc", by = sexcolor) +log(tl)
sexcolor is a factor with 4 levels
doy is "day of year", which is modeled as a smoother
tl is "total length of the fish"
The summary of this models is (only parametric coefficientes):
Parametric
2018 Jan 09
3
barplot_add=TRUE
Dear R users
aim
Barplot of insect trap catches (y variable trapcatch) at one specific station (variable FiBL_Hecke) from week 1-52 ( x variable week).
It works well using the function tapply (sum trapcatch per week, males and females not separated), however, I intend to separate the y variable trapcatch in males and females (variable m_w: m and w)
problem
I used the function "add" to
2009 May 16
1
typos
Hi
few typos i've found
?.C
Specifying 'ENCODING' overrrides any declared encodings (see
'link{Encoding}')
\link{Encoding}
--------------------
writing R extensions, pag 73 (pdf version), note 1,
and we provided an emulation on Windows 2000): see ?dyn.oad
^ ^^
1
2011 Feb 15
1
quick question about binary data
Dear all,This is both an R and a statistics question. I want to test whether males and females of a given species tend to co-occur in a given sampling unit more frequently than expected by chance. I'm thinking about using a binomial distribution with p as the sex ratio of the entire population. So, even though the population sex ratio is close to 50:50, each sampling unit would have
2008 Feb 06
1
Nested ANOVA models in R
Hi,
I'm trying to work through a Nested ANOVA for the following scenario:
20 males were used to fertilize eggs of 4 females per male, so that
female is nested within male (80 females used total). Spine length
was measured on 11 offspring per family, resulting in 880
measurements on 80 families.
I used the following two commands:
summary(aov(Spinelength ~ Male*Female))
and
2005 Mar 22
1
List of tables rather than an extra dimension in the table or (l)apply(xtabs)
I'm not sure how to best explain what I am after but here goes. I have a data frame with 2 geographical factors. One is the major region the other is the component regions.
I am trying to process all the regions at the same time without using "for". So I need (think, I do) a list of matrices each structured according to the number of subregions within each region.
So is there a
2012 Oct 05
1
Error in lmer: asMethod(object) : matrix is not symmetric [1, 2]
Dear R Users,
I am having trouble with lmer. I am looking at recombinant versus non
recombinant individuals. In the response variable recombinant
individuals are coded as 1's and non-recombinant as 0's. I built a model
with 2 fixed factors and 1 random effect. Sex (males/females) is the
first fixed effect and sexual genotype (XY, YY, WX and WY) the second
one. Sexual Genotype is
2006 Jul 18
1
Classification error rate increased by bagging - any ideas?
Hi,
I'm analysing some anthropometric data on fifty odd skull bases. We know the
gender of each skull, and we are trying to develop a predictor to identify
the
sex of unknown skulls.
Rpart with cross-validation produces two models - one of which predicts
gender
for Males well, and Females poorly, and the other does the opposite (Females
well, and Males poorly). In both cases the error
2018 Jan 09
0
barplot_add=TRUE
Hi, Sibylle,
since you write '"mathematically" add', does
barplot(rbind(m$trapcatch, w$trapcatch))
do what you want (modulo layout details)?
Hth -- Gerrit
---------------------------------------------------------------------
Dr. Gerrit Eichner Mathematical Institute, Room 212
gerrit.eichner at math.uni-giessen.de Justus-Liebig-University Giessen
Tel:
2004 Aug 05
1
cross random effects (more information abuot the data)
Dear friends,
I have asked last few days about cross-random effects
using PQL, but I have not receive any answer because
might my question was not clear.
My question was about analysing the salamander mating
data using PQL. This data contain cross-random effects
for (male) and for (female). By opining MASS and lme
library. I wrote this code
sala.glmm <- glmmPQL(fixed=y~WSf*WSM,
2011 Apr 15
1
GLM and normality of predictors
Hi,
I have found quite a few posts on normality checking of response variables, but I am still in doubt about that. As it is easy to understand I'm not a statistician so be patient please.
I want to estimate the possible effects of some predictors on my response variable that is nº of males and nº of females (cbind(males,females)), so, it would be: