Package 'sasr'

sasr Package

Description

sasr provides interface to SAS through saspy and reticulate in R.

Author(s)

Maintainer: Liming Li [email protected]

Authors:

• Daniel Sabanes Bove [email protected]

• Isaac Gravestock [email protected]

Other contributors:

• F. Hoffmann-La Roche AG [copyright holder, funder]

See Also

Useful links:

• https://github.com/insightsengineering/sasr/

• Report bugs at https://github.com/insightsengineering/sasr/issues

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Transfer data.frame to SAS

Description

Transfer data.frame object from R environment to SAS.

Usage

df2sd(df, table = "_df", libref = "", ..., sas_session = get_sas_session())

Arguments

df	(data.frame) data frame to be transferred.
table	(character) table name in SAS.
libref	(character) library name in SAS.
...	additional arguments for saspy.sasbase.SASsession.df2sd
sas_session	(saspy.sasbase.SASsession) SAS session.

Value

"saspy.sasdata.SASdata" object.

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Obtain the SAS Configuration File

Description

Obtain the file path of the SAS configuration file.

Usage

get_sas_cfg()

Details

Obtain the default sas configuration file. By default, it will search the sascfg_personal.py file under current directory. If it does not exist, it will search this file under home directory. If this file does not exist, NULL will be returned.

Value

The file path of default SAS configuration file, or NULL if not found.

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Get the Last or Default SAS Session

Description

Obtain the last session or default session.

Usage

get_sas_session()

Details

this function is designed to facilitate the R users programming practice of function oriented programming instead of object oriented programmings.

Value

A new SAS session if there are no previous SAS session, or the last SAS session created.

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Install saspy Module

Description

Install saspy module in reticulate.

Usage

install_saspy(method = "auto", conda = "auto")

Arguments

method	(character) method to install saspy.
conda	(character) path to conda executable.

Value

No return value.

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Run SAS code with SAS Session

Description

Run SAS code with a SAS session.

Usage

run_sas(sas_code, results = c("TEXT", "HTML"), sas_session = get_sas_session())

Arguments

sas_code	(character) sas code to be executed.
results	(character) sas code execution results type.
sas_session	(saspy.sasbase.SASsession) SAS session.

Details

run_sas will run sas code through SAS session. The results is a named list of LST and LOG. The result part will be stored in LST, and log will be stored in LOG. If results argument is "TEXT", then results are in text format; if results argument is "HTML", then results are in html format.

Value

Named list with following elements:

• LOG: string of SAS execution log.

• LST: string of SAS execution result, in html or txt format.

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Create SAS ssh Session Based on Configuration File

Description

Create a SAS ssh session.

Usage

sas_session_ssh(sascfg = get_sas_cfg())

Arguments

sascfg

(character) SAS session configuration.

Value

SAS session.

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Create SAS Session Configuration File

Description

Create SAS session configuration file based on argument.

Usage

sascfg(
  name = "default",
  host,
  saspath,
  ssh = system("which ssh", intern = TRUE),
  encoding = "latin1",
  options = list("-fullstimer"),
  ...,
  sascfg = "sascfg_personal.py"
)

Arguments

name	(character) name of the configuration.
host	(character) host name of remote server.
saspath	(character) SAS executable path on remote server.
ssh	(character) executable path of ssh.
encoding	(character) encoding of the SAS session.
options	(list) additional list of arguments to pass to ssh command.
...	additional arguments.
sascfg	(character) target file of configuration.

Details

host and saspath are required to connect to remote SAS server. Other arguments can follow default. If transferring datasets is needed, then tunnelling is required. Use ⁠tunnel = ⁠, ⁠rtunnel = ⁠ to specify tunnels and reverse tunnels. The values should be length 1 integer.

Value

No return value.

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Transfer SAS Data to R

Description

Transfer the table in SAS session to R.

Usage

sd2df(table, libref = "", ..., sas_session = get_sas_session())

Arguments

table	(character) table name in SAS.
libref	(character) library name in SAS.
...	additional arguments for saspy.sasbase.SASsession.sd2df
sas_session	(saspy.sasbase.SASsession) SAS session.

Value

data.frame object.

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