search for: environmentally

I use a Mac (10.4.11 Mac Os X). In my .tcshrc I define an environmental variable MY. Is it possible to find out its value from inside R? When one loads R for Mac OS X Cocoa GUI written by: Simon Urbanek Stefano M. Iacus are files like .tcshrc read by R? Can I make the value of this environmental variable available to R? Sys.getenv() produces a lot of output, with the values of many

Research Assistant/Staff Scientist: Technology in Environmental Health (Silent Spring Institute; Boston, MA) Silent Spring Institute is a non-profit scientific research group studying the environment and health. We are a multi-disciplinary team and international leader in research on everyday exposures to hormone disruptors, tests for breast carcinogens, and environmental links to breast cancer.

Hi, I want to include a vector representing the sites - environmental data correlation in a PCA. I currently use prcomp (no scaling) to perform the PCA, and envfit to retrieve the coordinates of the environmental data vector. However, the vector length is different from the one obtained in CAnoco when performing a species - environmental biplot (scaling -2). How can I scale the vector in order to

Often I perform the same task on a series of variables in a dataframe, by looping through a character vector that holds the names and using paste(), eval(), and parse() inside the loop. For instance: thesevars<-names(environmental) environmental$ToyOutcome<-rnorm(nrow(environmental)) tableOfResults<-data.frame(var=thesevars) tableOfResults$Beta<- NA

Hi, my question is not exactly about R... What I am looking for are hints and directions on suitable methods (available in R or elsewhere) to solve a grouping (or pattern recognition) problem of environmental features in an environmental gradient as described below. Given environmental sampling data set (Depth, Presence of sand, Presence of boulders, Presence of clay). 1 1 1 0 1 1 0 0 1 1

I've been unable to find a R package that provides the means of performing Clarke & Ainsworth's BIO-ENV procedure or something comparable. Briefly, they describe a method for comparing two separate sample ordinations, one from species data and the second from environmental data. The analysis includes selection of the 'best' subset of environmental variables for explaining

Dear R-list, I'm trying to estimate the relative importance of 6 environmental variables in determining clam yield. To estimate clam yield a previous work used the function Yield = (A^a*B^b*C^c...)^1/(a+b+c+...) where A,B,C... are the values of the environmental variables and the weights a,b,c... have not been calibrated on data but taken from literature. Now I'd like to estimate the

Hi, I recently had some difficulty getting an embedded R session running on Windows, due to the way that R Sys.getenv works, which I would consider a bug. Even if you do not agree, then you may still want to document it for future users who might be bitten. As outlined in R-exts (?8.2.2): http://cran.r-project.org/doc/manuals/r-release/R-exts.html#Calling-R_002edll-directly R_HOME/bin needs to

Hi, I''m trying to deploy my app using FastCGI, and I have a problem. The application works correctly in either FastCGI or CGI mode (toggling between dispatch.fcgi and dispatch.cgi in my public/.htaccess file) except that under regular CGI, my ENV hash is correctly set, but under FastCGI, the ENV hash is completely empty. I thought that environment variables were automatically passed

Having just discovered "Task Views" I see there isn't one for ecology/environmental science. I don't have the expertise to help with this, but I think it would be a very useful addition if there was any person (s) on the list willing to help create such a Task View. I am sure the maintainers of the Task Views will pick up on any responses to this post from volunteers. I

Hi, I have two tables and I need to merge both. I use the merge command, but in this way the name must be exactly. How I can make to compare independently of upper or lower-case? Look: data1<-data.frame(journal=c("Ecology","Environmental Entomology","Neotropical Biology And Conservation"))

tools::R_user_dir() provides configurable directories for R packages to write persistent information consistent with standard best practices relative to each supported operating systems for applications to store data, config, and cache information respectively. These standard best practices include writing to directories in the users home filespace, which is also specifically against CRAN policy.

Dear friends, I have several sets of points in a transformed environmental space. Each set of points can be represented as a cloud in the environmental space. This space is spanned by n coordinates, corresponding to the first n PCs of 36 PCs of some environmental variables (12 monthly minimum temperatures, 12 monthly maximum temperature, 12 monthly precipitations). I would like to calculate

The Stern Environmental Review, a British Government Report into tackeling global climate change has been published online. Leader page with presentation and speaking notes :- http://www.hm-treasury.gov.uk/independent_reviews/stern_review_economics_climate_change/sternreview_index.cfm The Stern Review Report :-

Hi, I am interested in customizing the installation of R. I have gone through the ?R Installation and Administration? manual. But some of the stuff is not clear to me and I would like to get clarifications on the following points (for a Windows installation with R_HOME=C:\\R\\R-2.9.1 ) : 1. I understand that I need to create a file, .Renviron with the following path : R_HOME\\etc\\.Renviron where

Hi Everybody, I been looking through google for better part of the day but I haven''t been able to find an answer to my problem. I need an environmental variable to be present in puppet, so that yum works correctly. However after reboot puppet doesn''t read /etc/profile and starts without this profile. If I go into server and do services puppet restart than everything works fine,

Dear r-Community, Step1: I would like to calculate a NMDS (package vegan, function metaMDS) with species data. Step2: Then I want to plot environmental variables over it, using function envfit. The Problem: One of these environmental variables is cos(EXPOSURE). But for flat releves there is no exposure. The value is missing and I can't call it 0 as 0 stands for east and west. Therefore I

Presently, the Samba documentation says that the default NetBIOS username used by client-type applications is determined by the following (from smbclient(1)), If no username is supplied, it will default to an uppercase version of the environment variable USER or LOGNAME in that order. If no username is sup- plied and neither

I am using R for environmental forensics (determination of the sources and/or groupings in mixtures of organic chemicals in the field). The goal is to determine in there are groups of samples with similar/dissimilar compositions, and to assign samples to a potential source or a mixture of sources based on the composition (unmixing and source allocation). Typically there are 10 to 50 chemicals that

https://bugzilla.mindrot.org/show_bug.cgi?id=1729 Summary: Bash environmental associative arrays not getting set Product: Portable OpenSSH Version: 5.2p1 Platform: Other OS/Version: Linux Status: NEW Severity: minor Priority: P2 Component: ssh AssignedTo: unassigned-bugs at mindrot.org