Wrapper to 'RODBC'. Supports multi-statement 'SQL' scripts, optionally containing embedded 'R'. Implicit handling of string concatenation, connection channels, and communication parameters.

Wrapper to 'RODBC'. Supports parameterised, multi-statement, 'SQL' scripts, with embedded 'R'. Implicit handling of connection channels and communication parameters.

An 'RODBC' wrapper, for exploratory work and rapid prototyping. Supports parameterised, multi-statement, 'SQL' scripts, with embedded 'R'.

Facilitates interaction with 'ODBC' data sources.

Facilitates interaction with ODBC data sources by managing communications on behalf of the user. Supports multi-statement SQL scripts, with or without embedded R.

Facilitates interaction with ODBC data sources, by hiding communications, and supporting parameterised multi-statement SQL with embedded R.

Facilitates interaction with ODBC data sources, by remembering and hiding communication settings and supporting parameterised multi-statement SQL with embedded R.

Facilitates interaction with ODBC data sources, by remembering communication settings and supporting parameterised multi-statement SQL with embedded R.

Enhances Interaction with 'ODBC' Databases
Provides simple and powerful interfaces that facilitate interaction
with 'ODBC' data sources. Each data source gets its own unique and dedicated
interface, wrapped around 'RODBC'. Communication settings are remembered
between queries, and are managed silently in the background. The interfaces
support multi-statement 'SQL' scripts, which can be parameterised via
metaprogramming structures and embedded 'R' expressions.

Squared extrapolation methods for accelerating fixed-point
iterations
Algorithms for accelerating the convergence of slow,
monotone sequences from smooth, contraction mapping such as the
EM algorithm. It can be used to accelerate any smooth, linearly
convergent acceleration scheme.  A tutorial style introduction
to this package is available in a vignette on the CRAN download
page or, when the package is loaded in an R session, with
vignette("SQUAREM").
Ravi Varadhan <rvaradhan@jhmi.edu> and Paul Gilbert
<pgilbert@bank-banque-canada.ca>