Displaying 20 results from an estimated 300 matches similar to: "Lattice plots and missing x-axis labels on second page"
2004 Dec 13
1
AIC, glm, lognormal distribution
I'm attempting to do model selection with AIC, using a glm and a lognormal
distribution, but:
fit1<-glm(BA~Year,data=pdat.sp1.65.04, family=gaussian(link="log"))
## gives the same result as either of the following:
fit1<-glm(BA~Year,data=pdat.sp1.65.04, family=gaussian)
fit1<-lm(BA~Year,data=pdat.sp1.65.04)
fit1
#Coefficients:
#(Intercept) Year2004
# -1.6341
2011 Mar 15
2
Calculate monthly means
I am trying to calculate monthly means by year of phosphates and nitrates from a multi year data set. Can anybody help me out with the most effective way to do this?
My data looks like this:
Collection_Date Test.Name Value
2000-01-24 17:00:00 Phosphate 0.108
2000-01-24 17:00:00 Nitrate 0.037
2001-11-12
2018 Apr 25
0
Can't Get Lattice Histogram Minor Tick Marks to Work
Per the Posting Guide, why didn't you post the reproducible R code example?
On April 24, 2018 8:22:15 PM PDT, Donald Macnaughton <donmac at matstat.com> wrote:
>I'm drawing a paneled histogram using the lattice package. I've
>succeeded in
>adding minor tick marks to the vertical axis, but I can't get the
>desired
>number of minor tick marks between the major
2018 Apr 25
3
Can't Get Lattice Histogram Minor Tick Marks to Work
I'm drawing a paneled histogram using the lattice package. I've succeeded in
adding minor tick marks to the vertical axis, but I can't get the desired
number of minor tick marks between the major tick marks.
I've attached a self-contained program to illustrate the problem.
Thanks for your help,
Don Macnaughton
Here's my sessionInfo:
R version 3.4.3 (2017-11-30)
Platform:
2009 May 28
1
optima in unimode
Dear all
i could not estimate the optima value or range value in unimodal plot in glm
please help me out
thanking you
regard
madan
_________________________________________________________________
Hotmail® has a new way to see what's up with your friends.
orial_WhatsNew1_052009
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2012 Oct 05
2
problem with convergence in mle2/optim function
Hello R Help,
I am trying solve an MLE convergence problem: I would like to estimate
four parameters, p1, p2, mu1, mu2, which relate to the probabilities,
P1, P2, P3, of a multinomial (trinomial) distribution. I am using the
mle2() function and feeding it a time series dataset composed of four
columns: time point, number of successes in category 1, number of
successes in category 2, and
2018 Apr 25
1
Can't Get Lattice Histogram Minor Tick Marks to Work
Thanks Jeff,
I attached a file with the program to my earlier email because the posting guide seemed to imply that non-binary attachments would work. But I see that the file was stripped off.
I installed the program file on a web site, but when I downloaded it, the line breaks were stripped out. So I've included the program below:
-------------------------------------------------------
#
2010 Aug 24
4
how to plot y-axis on the right of x-axis
Dear List,
I have a richness data distributing across 20 N to 20 S latitude. (120 E-140
E longitude).
I would like to draw the richness in the north hemisphere and a regression
line in the plot
(x-axis: latitude, y-axis: richness in the north hemisphere).
The above demand is done using plot.
Then, south hemisphere richness and regression are required to be generated
using
the same y-axis above
2010 Mar 29
1
plm package duplication problem
hi,
i am writing my master thesis and i am dealing with 146474 observations
(panel data), i have just learned the R so i am a beginner!!
i am trying to use the "plm" package and i have a duplication problem;
i have written the following commands to read my data and create my model
>dsn<-plm.data(ds, c("stno", "year")) ds=name of my data, stno=individual
2012 Dec 31
4
error when using subset (0 observations)
Hi, how are you?
My name is Irucka Embry and I would like assistance on properly
subsetting some data obtained from a .csv file.
> file <-"info_n.csv"
> INFO<- getMetaDataFromFile(file)
INFO is 92 observations of 14 variables
> INFO<- subset(INFO,site.no==02169570)
INFO is 0 observations of 14 variables
When the site.no is used I should have 1 observation of 14
2002 Jun 06
2
covariance analysis model
Dear list users,
I have trouble with covariance analysis.
I measured nitrate concentrations in the soil (NO3) and the percentage of
legumes (LEG, continuous), affected by 2 different CO2 concentrations (CO2,
discrete). I suspect that CO2 has an effect on LEG and NO3, but also that
LEG has an effect on NO3, so this is the formula I wrote to test this:
NO3 ~ CO2 + LEG + CO2:LEG
Will LEG be
2010 Jun 23
1
Estimate of variance and prediction for multiple linear regression
Hi, everyone,
Night. I have three questions about multiple linear regression in R.
Q1:
y=rnorm(10,mean=5)
x1=rnorm(10,mean=2)
x2=rnorm(10)
lin=lm(y~x1+x2)
summary(lin)
## In the summary, 'Residual standard error: 1.017 on 7 degrees of freedom',
1.017 is the estimate of the constance variance?
Q2:
beta0=lin$coefficients[1]
beta1=lin$coefficients[2]
beta2=lin$coefficients[3]
2011 Apr 12
2
The three routines in R that calculate the wilcoxon signed-rank test give different p-values.......which is correct?
I have a question concerning the Wilcoxon signed-rank test, and
specifically, which R subroutine I should use for my particular dataset.
There are three different commands in R (that I'm aware of) that calculate
the Wilcoxon signed-rank test; wilcox.test, wilcox.exact, and
wilcoxsign_test. When I run the three commands on the same dataset, I get
different p-values. I'm hoping that
2010 Dec 08
1
I want to get smoothed splines by using the class gam
Hi all,
I try to interpolate a data set in the form:
time Erg
0.000000 48.650000
1.500000 56.080000
3.000000 38.330000
4.500000 49.650000
6.000000 61.390000
7.500000 51.250000
9.000000 50.450000
10.500000 55.110000
12.000000 61.120000
18.000000 61.260000
24.000000 62.670000
36.000000 63.670000
48.000000 74.880000
I want to get smoothed splines by using the class gam
The first way I tried , was
2008 Jun 19
1
PrettyR (describe)
#is there a way to get NA in the table of descriptive statistics instead of
the function stopping Thank you in advance
#data
x.f <- structure(list(Site = structure(c(9L, 9L, 9L, 9L, 9L, 9L, 9L,
9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L,
9L, 9L, 9L, 9L), .Label = c("BC", "HC", "RM119", "RM148", "RM179",
"RM185",
2011 Jul 13
2
Very slow optim()
Dear list,
I am using optim() function to MLE ~55 parameters, but it is very slow to converge (~ 25 min), whereas I can do the same in ~1 sec. using ADMB, and ~10 sec using MS EXCEL Solver.
Are there any tricks to speed up?
Are there better optimization functions?
Thanks
Toshihide "Hamachan" Hamazaki, $B_@:j=S=((JPhD
Alaska Department of Fish and Game:
2009 Aug 05
0
Strontium Nitrate
Hello,
my name is Toby, and i live in Sydney Australia. i would like to buy a 25Kg bag of strontium nitrate and have it delivered to an address in sydney. i understand that long distance postage can sometimes be very costly, so can you please give a a quote for the 25Kg bag, plus the postage cost to my address in sydney.
thankyou for your time
2011 Oct 08
0
Accouting for temporal correlation in linear regression
I measured nitrate concentration and primary production (PP) biweekly for
23 months in one headwater stream. I would like to use linear regression
to determine if PP is related to nitrate concentration. My dataframe is
called "data" and consists of the vectors Rdate, PP, and nitrate. Rdate
is the observation date in class "date" and PP is primary production.
I first
2009 Mar 13
1
TZInfo included in Rails 2.2.2 vs. version on RubyForge
I downloaded version 0.3.12 of TZInfo from [1], and observed that it
has a very robust set of timezones including, for example, ''America/
Anchorage'':
irb(main):001:0> require ''rubygems''
=> false
irb(main):002:0> require ''tzinfo''
=> true
irb(main):003:0> TZInfo::Timezone.get(''America/Anchorage'')
=>
2006 Jun 13
2
ANN: Alaska.rb - Polar bears, igloos and sled dogs... oh my!
Is anyone else here from Alaska interested in a ruby users group to meet in
Anchorage once a month? It might be a long shot but I thought i''d put the
possibility of such a group out there if others are interested.
If so, we''ll coordinate some times that work.
Benjamin
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