search for: adults

Hi, I am trying to assign values to records based conditionally on other records within a dataframe. For example, in the following dataframe the "NA" value in dat$age would be replaced if the age status for that individual and specific year can be found in another record. Ideally this would then also assign the same age status if the individual is recorded in a later year.

...91 individuals or rows. Two of my variables are Age (adult/chick, with no NA values) and Sex (0 for females/1 for females, with quite a few NA values). The sex of many adult birds is unknown (entered as NA in dataframe). At some point of my analyses, I happen to need to need to work with only male adults, so I tried subsetting the dataframe as follows (see code below) but I get a new dataframe containing all the males but also a lot of unneeded information such as data in rows 1-7 (NAs), 13, 14, 19 and 21-30. I suspect this is caused by NAs in the variable Sex because everything goes fine (I get a...

Good day all, My statisticians want an R procedure that will produce grouped stacked barplots. Barplot will stack or group, but not both. The ftable function can produce a table of the exact form they want, but the barplot doesn't show all the divisions we want. For an example, here's the sample from the help file for "ftable:" data(Titanic) ftable(Titanic, row.vars = 1:3)

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

Hi, I am trying to remove a series of records from a large dataframe. The script I have written works fine but takes a long time to run. Can anyone suggest a quicker way to do this? Here is an example of the code I've written. The end result of this bit of code would be a dataframe with any records relating to ID 1 or ID 4 removed: #dataframe id <- c(1,1,1,1,2,2,2,2,2, 3,3,3, 4,4)

Hi, I was surfing and than I discovered a great site for Adults: http://www.HappyHug.com This is a new site for adults. They are operating since 9 december 2002. I think they can use some visitors. Go and take a look! Pete _________________________________________________________________ Help STOP SPAM with the new MSN 8 and get 2 months FREE* http://j...

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

Hi R users, I am trying to extract some attributes (age, sex, area) from dataframe "AB" that has 101,269 observations of 28 variables to dataframe "t2" that has 47 observations of 6 variables. They share a column called "id", which is a factor with 47 levels. I want to end up with a dataframe that has 47 observations of 9 variables (the original 6 variables of t2,

...##################################### ## Example data frame with population, concentration and cases ## x = data.frame(Name = LETTERS[1:10], pop=sample(x=1000:10000,size=10), Xbabies = 0.106, Xkids = 0.232, Xteens = 0.375, Xadults = 0.235, Xaged = 0.52, cases = sample(x=100:500,size=10), conc = sample(x=20:125,size=10) ) ## Two of the published dose-response relationships adult.CP.mortality = list(end.point = "Cardiopulmanory mortality in adults over 30"...

Hi all! What is the equivalent R function of SPLUS crosstabs? Thank you. Danar. Stat. Inst. Umea Univ. Umea, Sweden -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To:

Dear users of metafor, I am working on a meta-analysis using the metafor package. I have a excel csv database that I am working with. I am interested in pooling the effect measures for a particular subgroup (European women) in this csv database. I am conducting both sub-group and meta-regression. In subgroup-analyses, I have stratified the database to create a separate csv file just for European

Hello, I'm using the eclat function of the arules package (1.0-6) for the identification of frequent itemsets. I need the tidLists, but if I set in the function tidLists=TRUE R crashes (Windows XP Professional SP3, 32 bit, R version 2.12.1 (2010-12-16), reproducible on two different computers) with two different error messages or non at all. Minimum examples are: library(arules)

Hi, I was surfing and than I discovered a great site for Aduts: http://www.HappyHug.com This is a new site for adults. They are operating since 9 december 2002. I think they can use some visitors. Go and take a look! John _________________________________________________________________ Tired of spam? Get advanced junk mail protection with MSN 8. http://join.msn.com/?page=features/junkmail

Hello, Researchers at Oregon State University are striving to conduct research to learn more about the free/open source software community landscape as it relates to older adults. We have identified you as a leader for a free/open source software community. If you?re interested, we will either do an in-person interview (if you are local to the Corvallis or Portland area), or an interview over the phone (if you are not local). The interview is expected to last no longer than...

Hi, I am having some trouble using R 2.13.1 for generating a pmml object of of class "c('randomForest.formula', 'randomForest')" I see that these methods are available: > methods(pmml) [1] pmml.coxph* pmml.hclust* pmml.itemsets* pmml.kmeans* pmml.ksvm* pmml.lm* pmml.multinom* pmml.nnet* pmml.rpart* [10] pmml.rsf* pmml.rules* pmml.survreg*

Hello, I am a newbie to the lattice package in R, and I'm trying to make a plot using the xyplot function. I have repeated measures data (2 conditions) for two different groups of subjects (teens and adults). So far, I've made a basic graph using xyplot(y ~x, group=subnum, data=mydata, type="b"). Now I would like to make all the teens' lines one color and the adults' another. Additionally, I'd like to reformat the dots so that the points referencing condition 1 and conditi...

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ScopedProxy uses with_scope and proxy objects to make it easy to find and count different types of records. Example: class Person < ActiveRecord::Base scoped_proxy :minor, :conditions => ''age <= 17'' scoped_proxy :adult, :conditions => ''age >= 18'' scoped_proxy :old, :conditions => ''age >= 70'' scoped_proxy :male,

Dear R list, I have a sequence of weekly observations of number of adults and larvae in various size classes from a butterfly population living in a subtropical area with pronounced wet and dry seasons. Wet and dry seasons are each defined 26 weeks long with fixed start and end dates. The data span 103 weeks (two seasons each of wet and dry) with some missing weeks. Wh...