# Copyright 2020 Observational Health Data Sciences and Informatics
#
# This file is part of EhdenRaDrugUtilization
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#' Execute the Study
#'
#' @details
#' This function executes the SkeletonComparativeEffectStudy Study. The \code{createCohorts},
#' \code{synthesizePositiveControls}, \code{runAnalyses}, and \code{runDiagnostics} arguments are
#' intended to be used to run parts of the full study at a time, but none of the parts are considered
#' to be optional.
#'
#' @param connectionDetails An object of type \code{connectionDetails} as created using the
#' \code{\link[DatabaseConnector]{createConnectionDetails}} function in
#' the DatabaseConnector package.
#' @param cdmDatabaseSchema Schema name where your patient-level data in OMOP CDM format resides.
#' Note that for SQL Server, this should include both the database and
#' schema name, for example 'cdm_data.dbo'.
#' @param cohortDatabaseSchema Schema name where intermediate data can be stored. You will need to
#' have write priviliges in this schema. Note that for SQL Server, this
#' should include both the database and schema name, for example
#' 'cdm_data.dbo'.
#' @param cohortTable The name of the table that will be created in the work database
#' schema. This table will hold the exposure and outcome cohorts used in
#' this study.
#' @param oracleTempSchema Should be used in Oracle to specify a schema where the user has write
#' priviliges for storing temporary tables.
#' @param outputFolder Name of local folder to place results; make sure to use forward
#' slashes (/). Do not use a folder on a network drive since this greatly
#' impacts performance.
#' @param databaseId A short string for identifying the database (e.g. 'Synpuf').
#' @param databaseName The full name of the database (e.g. 'Medicare Claims Synthetic Public
#' Use Files (SynPUFs)').
#' @param databaseDescription A short description (several sentences) of the database.
#' @param createCohorts Create the cohortTable table with the exposure and outcome cohorts?
#' @param runDiagnostics Run and export the study diagnostics?
#' @param minCellCount The minimum number of subjects contributing to a count before it can
#' be included in packaged results.
#'
#' @export
runFeasibility <- function(connectionDetails,
cdmDatabaseSchema,
cohortDatabaseSchema = cdmDatabaseSchema,
cohortTable = "cohort",
oracleTempSchema = cohortDatabaseSchema,
outputFolder,
databaseId = "Unknown",
databaseName = "Unknown",
databaseDescription = "Unknown",
createCohorts = TRUE,
runDiagnostics = TRUE,
minCellCount = 5) {
if (!file.exists(outputFolder))
dir.create(outputFolder, recursive = TRUE)
if (!is.null(getOption("fftempdir")) && !file.exists(getOption("fftempdir"))) {
warning("fftempdir '", getOption("fftempdir"), "' not found. Attempting to create folder")
dir.create(getOption("fftempdir"), recursive = TRUE)
}
ParallelLogger::addDefaultFileLogger(file.path(outputFolder, "feasibilityLog.txt"))
on.exit(ParallelLogger::unregisterLogger("DEFAULT"))
if (createCohorts) {
ParallelLogger::logInfo("Creating exposure and outcome cohorts")
connection <- DatabaseConnector::connect(connectionDetails)
createCohorts(connection = connection,
cdmDatabaseSchema = cdmDatabaseSchema,
cohortDatabaseSchema = cohortDatabaseSchema,
cohortTable = cohortTable,
oracleTempSchema = oracleTempSchema,
outputFolder = outputFolder)
DatabaseConnector::disconnect(connection)
}
if (runDiagnostics) {
ParallelLogger::logInfo("Running study diagnostics")
StudyDiagnostics::runStudyDiagnostics(packageName = "EhdenRaDrugUtilization",
connectionDetails = connectionDetails,
cdmDatabaseSchema = cdmDatabaseSchema,
oracleTempSchema = oracleTempSchema,
cohortDatabaseSchema = cohortDatabaseSchema,
cohortTable = cohortTable,
inclusionStatisticsFolder = outputFolder,
exportFolder = file.path(outputFolder,
"feasibilityExport"),
databaseId = databaseId,
databaseName = databaseName,
databaseDescription = databaseDescription)
}
}
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