similar to: Strange julian and/or strptime

Displaying 20 results from an estimated 500 matches similar to: "Strange julian and/or strptime"

2006 Jan 11
2
Space between axis label and tick labels
I'm writing an publication in two column format and need to shrink some plots. After increasing the axis labels it does not look nice at all. The y-axis label and tick labels almost touch each other and the x-axis tick labels expand into the plot instead of away from it. Is there a better way than "cex" to control the: 1) font size of axis and tick labels 2) font thickness 3)
2006 Jan 02
2
Plotting the mean of data
Hi all! I've got a datstructure like this: subject week value 1 1 4 2 1 8 3 1 3 4 1 5 1 2 5 2 2 6 3 2 2 4 2 6 1 3 3 2 3 7 3 3 3 4 3 7 I'd like to plot the mean of 'value' against week. Is there a direct way of doing this or do I have to make a new structure with the calculated values and then plot it? All the best! -- ########################################### Kare
2008 Oct 20
3
Trying to pass arrays as arguments to a function
I'd like to avoid looping through an array in order to change values in the array as it takes too long. I red from an earlier post it can be done by "do.call" but never got it to work. The Idea is to change the value of "y" according to values in "x". Wherever "x" holds the value 3, the corresponding value in "y" should be set to 1. So I
2006 Apr 05
1
Uneven y-axis scale
Dear R-gurus! Is it possible within boxplot to break the y-scale into two (or anything)? I'd like to have a normal linear y-range from 0-10 and the next tick mark starting at, say 60 and continue to 90. The reason is for better visualising the outliers. All the best, Kare [[alternative HTML version deleted]]
2006 Apr 06
1
Sorting problem
R-gurus... I've got a 5 column dataframe where I'd like to plot each ID's "b" against "c" with "b" in ascending order (within the same ID). How do I sort "b" so that the other variables are altered equally? ID a b c d 101 1 240 26.7 21.85 101 2 335 21.8 21.85 101 3 1387 26.6 21.85 101 4 877 24.1 21.85
2008 Oct 14
1
Extended summary
Is there a function providing more descriptive statistics than "summary()"? I'm working with a coxph analyses and would like to have more info on certain numbers. If my call is something like: Call: coxph(formula = Surv(followup, CasesCancer) ~ age + BMI + parity + HRT) I'd like to know: * How many CasesCancer was excluded (not only the total number of excluded due to
2008 Apr 18
1
Overall p-value from a factor in a coxph fit
Hi all. If I run the simple regression when x is a categorical variable ( x <- factor(x) ): > MyFit <-coxph( Surv(start, stop, event) ~ x ) How can I get the overall p-value on x other than for each dummy variable? > anova(MyFit) does NOT provide that information as previously suggested on the list. All the best, Kare [[alternative HTML version deleted]]
2007 Nov 01
2
ploting a comparison of two scores, including the labels in the plot
Hello r-help! I have data with two kind of ratings on status of 100 occupations. The first kind of rating is on the percieved "objective" status that these occupations have in society at large, and the second kind or rating is on the status that the respondents think that these occuption *should* have. The ratings were originally integer values in the rage 1-9, but in the current data,
2006 Dec 08
2
A smal fitting problem...
Dear R-helpers, I'm for sure not familiar with R, but it seem like a nice sofware tool, so I've decided to try using it. Here is my problem I just can't figure out: I'd like to do least square fit of a straight horizontal (a = 0) line y = ax + b through some data points x = (3,4,5,6,7,8) y = (0.62, 0.99, 0.83, 0.69, 0.76, 0.82) How would i find b????? All the best, Ked
2011 Sep 29
1
julian day form POSIXt object
hello all, this is my reproducible example data frame test<-structure(list(date = structure(c(1262300400, 1262304000, 1262304000, 1262307600, 1262307600, 1262311200, 1262311200, 1262314800, 1262314800, 1262318400, 1262318400, 1262322000, 1262322000, 1262325600, 1262325600, 1262329200, 1262329200, 1262332800, 1262332800, 1262336400, 1262336400, 1262340000, 1262340000, 1262343600,
2011 Aug 16
2
Assignment working differently inside ifelse()
Hello all, I need to extract rows and columns from a data frame and put them in a matrix. In some cases, there are no rows in the data frame meeting the selection criteria. For those rows I want to put a row of 0's in the matrix. Here's my clumsy code: tab1.m1 <- matrix(0, nrow=2, ncol=4) tab1.m1[1,] <- ifelse(length(as.matrix(tab1[tab1$comp==the.comp & tab1$schlid==the.schl
2009 Jul 20
2
What am I doing wrong?
Hi Gang, I've got the latest SVN branch of 1.4 downloaded onto SUSE 11.0. Everything is happy EXCEPT, I can't get fax to be recognized by make menuselect. I tried copying app_rxfax.c and app_txfax.c to the apps directory and starting again from ./configure, but no joy. Any suggestions? Danny Nicholas -------------- next part -------------- An HTML attachment was
2005 Nov 30
1
Addon packages
I'm trying to add 'gplots' from install.packages("gplots", lib = "/usr/lib/R/library", dependencies = TRUE) on a linux host, but R does not seem to figure out there's a new package installed (yes, I've restarted the R-session). I've tried the default, and different library folders, without success. Installation does not report any warnings or bad exit
2008 Nov 03
1
quantcut
I'm trying to devide x into tertiles, but ends up with integer limits even x holds one decimal. The analysis is extremely sensitive to the limits and I like to keep them right. How can that be done? quartiles <- quantcut( x[x >= 0], q=seq(0,1, by=(1/3)) > table(quartiles) quartiles [180,344] (344,448] (448,644] 16467 16476 16452 [[alternative HTML version deleted]]
2006 Dec 08
0
Re : A smal fitting problem...
May be you are also not familiar with statistic. the solution of min \sum_{i=1}^{n} (y_{i}-b)^{2} is the mean. So the solution is b<-mean(y) Justin BEM Elève Ingénieur Statisticien Economiste BP 294 Yaoundé. Tél (00237)9597295. ----- Message d'origine ---- De : Kåre Edvardsen <ked@nilu.no> À : R-help <r-help@stat.math.ethz.ch> Envoyé le : Vendredi, 8 Décembre 2006,
2004 Aug 26
0
suddent random problem with Windows boxes
Hello all, I am not a Samba expert by any means, so please bear with me if I make a fool of myself. We run a small network in this office. There is a Windows domain running off of a Debian Linux server, running Linux 2.4.25. There are mostly Windows 2000 and Windows XP machines, but there are still a few users clinging on to Windows 98 (this is because they run specialized testing software
2005 Dec 02
1
Time series influenced by half-time, intake and treatment...
Hi! First of all: I'm a newbie to both statistics and R, so please be patient with me... I do however, like R because I've been programming (pascal, IDL, perl, C etc) and designing models since -92, but never related to statistics. Ok, here we go: I've got a set of 15 people, all of them observed over 10 weeks (10 analysed blood samples) with - let us kall it the A-value - influenced
2009 Nov 05
1
Error when adding package RMySQL (PR#14044)
Full_Name: K?re Jonsson Version: 2.10 OS: WinXP Submission from: (NULL) (85.225.178.169) I made a brand new installation of R 2.10 in two machines and got the same problem. Machine 1 is Win XP on metal installation machine 2 is virtual in VMWare running a hacky OS named Tiny XP in which any Microsoft windows XP siftware always successfully is installed. Operation 1. Add package RMySQL from
2008 Oct 15
2
Condition warning: has length > 1 and only the first element will be used
Hello, I've been learning R functions recently and I've come across a problem that perhaps someone could help me with. # I have a a chron() object of times > hours=chron(time=c("01:00:00","18:00:00","13:00:00","10:00:00")) # I would like to subtract 12 hours from each time element, so I created a vector of 12 hours (actually, more like a
2012 Oct 05
1
Is Rails Logger Thread Safe?
Is Rails Logger truly not Thread Safe? http://log.kares.org/2011/04/railslogger-is-not-threadsafe.html This seems like an issue that should have been picked up quite a long time ago. I just set config.threadsafe! in my config/application.rb and my log output from rails server has completely disappeared. If the logger is not thread-safe, I cannot help but wonder how much of the Rails core is