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Import data from different data_sources into R

Source: R/readepi.R
readepi.Rd

the function allows import of data from Health Information Systems (HIS), files, and folders.The HIS consist of database management systems (DBMS) and website of public data collection.

Usage

readepi(
  data_source = NULL,
  records = NULL,
  fields = NULL,
  id_position = NULL,
  id_col_name = NULL,
  ...
)

Arguments

data_source

the URL of the HIS

records

a vector or a comma-separated string of subject IDs. When specified, only these records will be imported.

fields

a vector or a comma-separated string of column names. If provided, only those columns will be imported.

id_position

the column position of the variable that unique identifies the subjects. When the name of the column with the subject IDs is known, this can be provided using the id_col_name argument

id_col_name

the column name with the subject IDs.

...

additional arguments passed to the readepi() function. These are enumerated and described in the vignette.

Value

a list of 1 or several object(s) of type data frame.

a list of 2 or more object(s) of type data frame.

Examples

# reading from a MySQL server
if (FALSE) {
data <- readepi(
  data_source      = "mysql-rfam-public.ebi.ac.uk",
  credentials_file = system.file("extdata", "test.ini", package = "readepi"),
  driver_name      = "",
  from             = "author"
)
}