## Not run: ------------------------------------
# sas.contents("saslib", "mice")
# # [1] "dose" "ld50" "strain" "lab_no"
# attr(, "n"):
# # [1] 117
# mice <- sas.get("saslib", mem="mice", var=c("dose", "strain", "ld50"))
# plot(mice$dose, mice$ld50)
#
#
# nude.mice <- sas.get(lib=unix("echo $HOME/saslib"), mem="mice",
# ifs="if strain='nude'")
#
#
# nude.mice.dl <- sas.get(lib=unix("echo $HOME/saslib"), mem="mice",
# var=c("dose", "ld50"), ifs="if strain='nude'")
#
#
# # Get a dataset from current directory, recode PROC FORMAT; VALUE \dots
# # variables into factors with labels of the form "good(1)" "better(2)",
# # get special missing values, recode missing codes .D and .R into new
# # factor levels "Don't know" and "Refused to answer" for variable q1
# d <- sas.get(".", "mydata", recode=2, special.miss=TRUE)
# attach(d)
# nl <- length(levels(q1))
# lev <- c(levels(q1), "Don't know", "Refused")
# q1.new <- as.integer(q1)
# q1.new[is.special.miss(q1,"D")] <- nl+1
# q1.new[is.special.miss(q1,"R")] <- nl+2
# q1.new <- factor(q1.new, 1:(nl+2), lev)
# # Note: would like to use factor() in place of as.integer \dots but
# # factor in this case adds "NA" as a category level
#
#
# d <- sas.get(".", "mydata")
# sas.codes(d$x) # for PROC FORMATted variables returns original data codes
# d$x <- code.levels(d$x) # or attach(d); x <- code.levels(x)
# # This makes levels such as "good" "better" "best" into e.g.
# # "1:good" "2:better" "3:best", if the original SAS values were 1,2,3
#
#
# # Retrieve the same variables from another dataset (or an update of
# # the original dataset)
# mydata2 <- sas.get('mydata2', var=names(d))
# # This only works if none of the original SAS variable names contained _
# mydata2 <- cleanup.import(mydata2) # will make true integer variables
#
# # Code from Don MacQueen to generate SAS dataset to test import of
# # date, time, date-time variables
# # data ssd.test;
# # d1='3mar2002'd ;
# # dt1='3mar2002 9:31:02'dt;
# # t1='11:13:45't;
# # output;
# #
# # d1='3jun2002'd ;
# # dt1='3jun2002 9:42:07'dt;
# # t1='11:14:13't;
# # output;
# # format d1 mmddyy10. dt1 datetime. t1 time.;
# # run;
## ---------------------------------------------
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