Package: distcomp 1.3-4

Balasubramanian Narasimhan

distcomp: Computations over Distributed Data without Aggregation

Implementing algorithms and fitting models when sites (possibly remote) share computation summaries rather than actual data over HTTP with a master R process (using 'opencpu', for example). A stratified Cox model and a singular value decomposition are provided. The former makes direct use of code from the R 'survival' package. (That is, the underlying Cox model code is derived from that in the R 'survival' package.) Sites may provide data via several means: CSV files, Redcap API, etc. An extensible design allows for new methods to be added in the future and includes facilities for local prototyping and testing. Web applications are provided (via 'shiny') for the implemented methods to help in designing and deploying the computations.

Authors:Balasubramanian Narasimhan [aut, cre], Marina Bendersky [aut], Sam Gross [aut], Terry M. Therneau [ctb], Thomas Lumley [ctb]

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manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
distcomp/json (API)

# Install 'distcomp' in R:

install.packages('distcomp', repos = c('https://bnaras.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/bnaras/distcomp/issues

On CRAN:

5.35 score 9 stars 50 scripts 432 downloads 38 exports 54 dependencies

Last updated from:42ffaf1d5f. Checks:15 OK. Indexed: yes.

Target	Result	Time
linux-devel-arm64	OK	166
linux-devel-x86_64	OK	159
source / vignettes	OK	260
linux-release-arm64	OK	146
linux-release-x86_64	OK	157
macos-release-arm64	OK	103
macos-release-x86_64	OK	321
macos-oldrel-arm64	OK	155
macos-oldrel-x86_64	OK	275
windows-devel-arm64	OK	205
windows-devel-x86_64	OK	151
windows-release-arm64	OK	335
windows-release-x86_64	OK	117
windows-oldrel-x86_64	OK	112
wasm-release	OK	111

Exports:availableComputations availableDataSources CoxMaster CoxWorker createHEWorkerInstance createNCPInstance createWorkerInstance defineNewComputation destroyInstanceObject distcompSetup executeHEMethod executeMethod generateId getComputationInfo getConfig HEMaster HEQueryCountMaster HEQueryCountWorker makeDefinition makeHEMaster makeMaster makeNCP makeWorker NCP QueryCountMaster QueryCountWorker resetComputationInfo runDistcompApp saveNewComputation saveNewNCP setComputationInfo setupMaster setupWorker SVDMaster SVDWorker uploadNewComputation uploadNewNCP writeCode

Dependencies:askpass base64enc bslib cachem cli commonmark cpp11 curl digest dplyr fastmap fontawesome fs generics glue gmp homomorpheR htmltools httpuv httr jquerylib jsonlite later lattice lifecycle magrittr Matrix memoise mime openfhe.R openssl otel pillar pkgconfig promises R6 rappdirs Rcpp rlang S7 sass shiny sodium sourcetools stringi stringr survival sys tibble tidyselect utf8 vctrs withr xtable

Prototyping Distributed Computations

Introduction | An Example | Stratified Cox Model | Session Info

Rendered fromprototyping.Rmdusingknitr::rmarkdown

Last update: 2019-10-23
Started: 2018-08-29

Help page	Topics
Distributed Computing with R	distcomp-package distcomp
Return the currently available (implemented) computations	availableComputations
Return currently implemented data sources	availableDataSources
Create a master object to control 'CoxWorker' worker objects	CoxMaster
R6 class for object to use as a worker with 'CoxMaster' master objects	CoxWorker
Given the definition identifier of an object, instantiate and store object in workspace	createHEWorkerInstance
Given the definition identifier of an object, instantiate and store object in workspace	createNCPInstance
Given the definition identifier of an object, instantiate and store object in workspace	createWorkerInstance
Define a new computation	defineNewComputation
Destroy an instance object given its identifier	destroyInstanceObject
Setup a workspace and configuration for a distributed computation	distcompSetup
Given the id of a serialized object, invoke a method on the object with arguments using homomorphic encryption	executeHEMethod
Given the id of a serialized object, invoke a method on the object with arguments	executeMethod
Generate an identifier for an object	generateId
Get the value of a variable from the global store	getComputationInfo
Return the workspace and configuration setup values	getConfig
Create a HEMaster process for use in a distributed homomorphic encrypted (HE) computation	HEMaster
Create a homomorphic computation query count master object to employ worker objects generated by 'HEQueryCountWorker()'	HEQueryCountMaster
Create a homomorphic computation query count worker object for use with master objects generated by 'HEQueryCountMaster()'	HEQueryCountWorker
Make a computation definition given the computation type	makeDefinition
Instantiate a master process for HE operations	makeHEMaster
Make a master object given a definition	makeMaster
Instantiate an noncooperating party	makeNCP
Make a worker object given a definition and data	makeWorker
R6 object to use as non-cooperating party in a distributed homomorphic computation	NCP
Create a master object to control worker objects generated by 'QueryCountWorker()'	QueryCountMaster
R6 worker object for use as a worker with master objects generated by 'QueryCountMaster()'	QueryCountWorker
Clear the contents of the global store	resetComputationInfo
Run a specified distcomp web application	runDistcompApp
Save a computation instance, given the computation definition, associated data and possibly a data file name to use	saveNewComputation
Save an NCP instance, given the sites as associated data and possibly a data file name to use	saveNewNCP
Set a name to a value in a global variable	setComputationInfo
Setup a computation master	setupMaster
Setup a worker site	setupWorker
R6 class for SVD master object to control worker objects generated by 'SVDWorker()'	SVDMaster
R6 class for a SVD worker object to use with master objects generated by 'SVDMaster()'	SVDWorker
Upload a new computation and data to an opencpu server	uploadNewComputation
Upload a new Non-Cooperating Party (NCP) information and sites to an opencpu server	uploadNewNCP
Write the code necessary to run a master process	writeCode

Package: distcomp 1.3-4

distcomp: Computations over Distributed Data without Aggregation

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