An R Interface to SciDB


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Documentation for package ‘scidb’ version 2.0.0

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scidb-package SciDB/R Interface
%as% AFL array aliasing
%as%-method AFL arrary aliasing
aflhelp Display SciDB AFL operator documentation
as.R Download SciDB data to R
as.scidb Upload R data to SciDB
at_least Returns TRUE if version string x is greater than or equal to than version y
cov-method Covariance matrix This function is more limited than R's default 'cov' function. It can only compute a covariance matrix from a data matrix without any missing value handling by the procedure (in R notation) 'S0 <- sweep(x, 2, colMeans(x))', 'crossprod(S0)/(nrow(S0) - 1) # (covariance matrix result)'
dimnames.scidb Names of array dimensions
getpwd Simple utility to interactively enter a password without showing it on the screen
help-method AFL operator help
iquery Run a SciDB query, optionally returning the result.
ls-method List contents of a SciDB database
names.scidb SciDB dimension and attribute names
operators Base SciDB operators
print-method Print a summary of a 'afl' SciDB database connection object
print-method Print a summary of a 'scidb' object
print.afl Print a summary of a 'afl' SciDB database connection object
schema SciDB array schema
scidb Create an R reference to a SciDB array or expression.
scidbconnect Connect to a SciDB database
scidb_prefix Register an AFL prefix expression
show-method Print a summary of a 'afl' object
show-method Print a summary of a 'scidb' object
store Evaluate an expression to 'scidb' or 'scidb' objects