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Recent Comments
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RLangTip
Get an overview of documentation for an installed package: help(package="<package-name>") #rstats
Common style for comments is # on a line of #rstats code, ## within functions, and ### at the top level of scripts. ESS indents accordingly
A single index can be used to select from a matrix. For example, X[row(X)==col(X)] is the same as diag(X) #rstats http://t.co/EY1uMfny
Robust function writing tip: use seq_len(N) instead of 1:N (it handles the N<1 case appropriately): http://t.co/mZdDZCJE #rstats
Train support vector machines in R with the "svm" function from the e1071 package: http://t.co/OM5duD90 #rstats
A handy alias (via @hadleywickham) for #rstats to prevent saving or loading workspaces: R --no-save --no-restore-data --quiet
Filter list elems that match a condition: id<-sapply(mylist, function(e) test(e)); mylist[id] # Replace "test" with any T/F expr #rstats
The # character introduces comments in R. Everything after the # character to end-of-line is ignored by the interpreter. #rstats
The "break" statement immediately exits from a "for" or "while" loop: http://t.co/O4xamQqt #rstats
To debug warnings, options(warn=2) converts warnings into errors #rstats
Tag Archives: WebService
Google Predictor API – release 1.2
The Google Predictor API V1.2 is out! “The Prediction API provides pattern-matching and machine learning capabilities. Given a set of data examples to train against, you can create applications that can perform the following tasks: Given a user’s past viewing … Continue reading
Calling soap web services with curl from a unix shell
How to call soap web services from a unix shell? it is easy with curl and, optionally, xsltproc ! Read the tutorial soap requests with curl !
Connecting to a database with a webService (cxf) deployed (jbi) in Servicemix
Introduction Apache ServiceMix at the moment doesn’t have a JBI component for connecting to a database (servicemiix-jdbc is in the roadmap): in the meanwhile you have to use servicemix-cxf or servicemix-bean. This example (cxf-wsdl-first-jdbc.zip, cxf-wsdl-first.pdf) is built on top of … Continue reading