Displaying 20 results from an estimated 5000 matches similar to: "repeated measures"
2007 Dec 19
1
adding lines to a barchart
Hi all
I can't find what I am looking for so I am asking here. I have a
dataset that looks something like this.
Year season percent_below
2000 Winter 6.9179870
2000 Spring 1.6829436
2000 Summer 1.8463501
2000 Autumn 3.8184993
2001 Winter 2.8832806
2001 Spring 2.5870511
2001 Summer 0.0000000
2001 Autumn 4.7248240
2002 Winter
2005 Nov 21
1
Plotting one or more series on the same graphs
Hi, I'm from Italy (sorry for my english...). I've two questions about
the plot function.
I've to create a simple graph for the data set "n_species":
species=sqlQuery(dati, "select count(distinct species), season from
captures_complete_r group by species, season")
n_species=tapply(species$count, species$season, sum)
n_species=data.frame(n_species)
n_species
2012 Mar 27
1
Data indexing issue...
Dear R-help,
My dataset (which is a data frame, called 'Calender' here) includes 365
rows representing 365 days for a year. One column ('Season')contains
factor data representing seasons, e.g. spring, summer, autumn and winter.
Another column (called 'Day') contains data representing wether the day is
a working day (I use 'Wd' for short here)or weekend (I use
2007 Oct 14
0
repeated measures - aov, lme, lmer - help
Dear all,
I'm not very sure on the use of repeated measures in R, so some advice
would be very appreciate.
Here is a simple example similar to my real problem (R 2.6.0 for
windows): Lets supose I have annual tree production measured in 9
trees during 3 years; the 9 trees are located in 3 different mountains
(sites), and each tree receive different annual rainfall (different
locations). I would
2006 Aug 02
1
unbalanced mixed effects models for fully factorial designs
Does anyone know of a way of dealing with unbalanced mixed effects
(fixed and random factors) for fully factorial designs.
An example of such data is given below;
The response variable is SQRTRECRUITS
SEASON is a random factor
DENSITY is a fixed factor
Thus DENSITY:SEASON is a fixed factor.
Therefore, whereas the effects of SEASON and DENSITY:SEASON should be
tested against the overall
2011 Sep 22
2
Subsetting a zooreg object using window / subset
Dear R users,
I am currently working in subsetting a zooreg() object using either window or subset. I have a solution but it may be a bit cumbersome when I start working with actual data. Your inputs would be greatly appreciated.
Example: I have a zooreg() object that starts in 1997 and ends in 2001. This object contains daily data for the 4 years
2012 Aug 01
4
how to calculate seasonal mean for temperatures
Hello everybody,
I need to calculate seasonal means with temperature data for my work.
I have 70 files coming from weather stations, which looks like this for
example:
startdate <- as.POSIXct("01/01/2006", format = "%d/%m/%Y")
enddate <- as.POSIXct("05/01/2006", format = "%d/%m/%Y")
date <- seq(from = startdate, to = enddate, by =
2011 Nov 18
1
cca with repeated measures
Dear all,
How can I run a constrained correspondence analysis with
the following data:
15 animals were measured repeatedly month-wise (over to 2 years)
according to ther diet composition (8 food categories).
our data.frame looks like this:
food 1 2 ... 8 sex season year animal
freq 12 8 ... 1 0 summer 2011 1
freq 0 7 ... 0 1 winter 2011 1
...
freq 0 7 ... 0 1 spring 2011 15
We
2017 Jun 21
0
Permutations in RDA for repeated measures, using how()
Dear all,
I am using RDA to study plant communities in various land uses (variable LU with values M, U, etc.). For each land use, I sample 3 to 5 fields (M1, M2, U1, U2, etc). I make 5 measurements for both plant communities and environmental variables in each field.
I repeat the process every 6 months to study the effect of time and season (D16 for dry season 2017, R16 for rainy season 2016,
2010 Nov 23
1
Barplot and plot means with confidence intervals in the same plot
I want to obtain a barplot with error bars and a mean plot with error bars
with other scale on the left in the same plot. I need help to get the same
x axis (centered) when overlay two plots (barplot2 and plotCI (or
lineplot.CI) with errorbars), with diferent y axis. I use par (new=T) but
the X axis names are not centered with the figures.
An example of my data:
2013 Feb 13
0
seasonal sum and mean and combine multiple, different data frames in .csv
Hi Irucka,
No problem.
I guess this could be done using:
Sample data:
Dailydo<- structure(list(Date = structure(c(11231, 11232, 11233, 11234,
11235, 11236, 11207, 11208, 11209, 11179, 11180, 11181, 11151,
11152, 11123, 11093, 11064, 11065, 11035, 11036, 11008, 11009,
10979, 10980, 11347, 11348, 11380, 11381, 11410, 11406, 11438,
11439, 11470, 11502, 11528, 11560, 11561, 11593, 11594,
2006 Mar 17
1
nlme predict with se?
I am trying to make predictions with se's using a nlme (kew11.nlme
below). I get an error indicating levels for a factor are not allowed.
I have searched and read Rnews, MEMSS, MASS, R-Help, and other lists
in Spanish where I found questions similar to mine but not solution.
I do not really care about the method used. Any suggestions to obtain
predictions with se's from an nlme
2008 Aug 19
0
Converting monthly data to quarterly dataMonday, August 18, 2008 11:38 AM
Dear Gavin,
This is really great, thank you! I created some long loops to get rid of
extra months at the beginning and the end of my data but your code is great
for putting it then together quarterly.
thanks again,
Denise
On Mon, 2008-08-18 at 14:31 +0100, Denise Xifara wrote:
> Thank you very much Stephen, but how will aggregate deal with months that
> fall outside annual quarters? eg,
2002 Oct 09
1
s.window in stl()
Hi,
This is actually a theory question.
I'm a bit confused by the s.window parameter in the stl() function (which
is in the ts package). For example, in the stl documentation it uses the
nottem data, and then:
plot(stl(nottem, s.win = 4, t.win = 50, t.jump = 1))
What does it mean by s.win = 4? Is it because a year has 4 seasons
(namely Spring, Summer, Autumn and Winter)? If so will it
2013 Oct 08
1
[PATCH] drm/nouveau: suspend to D3hot, not to D3cold
In the autumn and winter it's considered bad form to set power state to D3cold, it might
cause the device to freeze to death. This is also the case in the other seasons, so any
device in the southern hemisphere is affected too.
D3cold is not a valid state in a call to pci_set_power_state, only up to D3hot is allowed.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com>
2011 Aug 23
1
P values for vglm(zibinomial) function in VGAM
Hi ,
I know this question has been asked twice in the past but to my knowldege,
it still hasn't been solved.
I am doing a zero inflated binomial model using the VGAM package, I need to
obtain p values for my Tvalues in the vglm output. code is as follows
> mod2=vglm(dmat~Season+Diel+Tidal.phase+Tidal.cycle,zibinomial, data=mp1)
> summary(mod2)
Call:
vglm(formula = dmat ~ Season +
2012 Oct 11
3
Sorting a data frame by specifying a vector
Hello all,
I cannot seem to figure out this seemingly simple procedure.
I want to sort a data frame by a specified character vector.
So for :
df.. <- data.frame(Season=rep(c("Summer","Fall","Winter","Spring"),4),Obs=
runif(length(rep(c("Summer","Fall","Winter","Spring"),4))))
I want to sort the data frame
2013 Feb 25
1
creating variable that codes for the match/mismatch between two other variables
Dear all,
I have got two vectors coding for a stimulus presented in the current trial (mydat$Stimulus) and a prediction in the same trial (mydat$Prediciton), respectively.
By applying an if-conditional I want to create a new vector that indicates if there is a match between both vectors in the same trial. That is, if the prediction equals the stimulus.
When I pick out some trials randomly, I get
2008 Apr 28
0
(no subject)
Hi R users
Here is an example of my data (only a small part)
Year Season A_Time R_Time O_Time All_Time AandR_Time
A_number R_number O_number AandR_number all_number
1999 Winter 9.590741 35.312963 42.759524 23.228431 18.164815
18 9 7 27
34
2000 Winter 9.899537 47.945000 59.744444 20.301333 18.170290
36 10 3
2008 Apr 28
0
Two graphs on one using barchart
> Hi R users
> Here is an example of my data (only a small part)
>
> Year Season A_Time R_Time O_Time All_Time AandR_Time
> A_number R_number O_number AandR_number all_number
> 1999 Winter 9.590741 35.312963 42.759524 23.228431 18.164815
> 18 9 7 27
> 34
> 2000 Winter 9.899537 47.945000 59.744444 20.301333