diff --git a/.gitignore b/.gitignore
index 513025f..50d1aa1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .Rproj.user
 docs
+.Rhistory
diff --git a/r/adsl.r b/r/adsl.r
new file mode 100644
index 0000000..5b04807
--- /dev/null
+++ b/r/adsl.r
@@ -0,0 +1,329 @@
+# Note to Reviewer
+# To rerun the code below, please refer ADRG appendix.
+# After required package are installed.
+# The path variable needs to be defined by using example code below
+#
+# nolint start
+# path <- list(
+# sdtm = "path/to/esub/tabulations/sdtm", # Modify path to the sdtm location
+# adam = "path/to/esub/analysis/adam"     # Modify path to the adam location
+# )
+# nolint end
+
+###########################################################################
+#' developers : Steven Haesendonckx/Declan Hodges/Thomas Neitmann
+#' date: 09DEC2022
+#' modification History:
+#'
+###########################################################################
+
+# Set up ------------------------------------------------------------------
+
+library(haven)
+library(admiral)
+library(dplyr)
+library(tidyr)
+library(metacore)
+library(metatools)
+library(pilot3utils)
+library(xportr)
+library(janitor)
+
+# read source -------------------------------------------------------------
+# When SAS datasets are imported into R using read_sas(), missing
+# character values from SAS appear as "" characters in R, instead of appearing
+# as NA values. Further details can be obtained via the following link:
+# https://pharmaverse.github.io/admiral/articles/admiral.html#handling-of-missing-values
+
+dm <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "dm.xpt")))
+ds <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "ds.xpt")))
+ex <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "ex.xpt")))
+qs <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "qs.xpt")))
+sv <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "sv.xpt")))
+vs <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "vs.xpt")))
+sc <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "sc.xpt")))
+mh <- convert_blanks_to_na(read_xpt(file.path(path$sdtm, "mh.xpt")))
+
+## placeholder for origin=predecessor, use metatool::build_from_derived()
+metacore <- spec_to_metacore(file.path(path$adam, "adam-pilot-3.xlsx"), where_sep_sheet = FALSE)
+# Get the specifications for the dataset we are currently building
+adsl_spec <- metacore %>%
+  select_dataset("ADSL")
+
+ds00 <- ds %>%
+  filter(DSCAT == "DISPOSITION EVENT", DSDECOD != "SCREEN FAILURE") %>%
+  derive_vars_dt(
+    dtc = DSSTDTC,
+    new_vars_prefix = "EOS",
+    highest_imputation = "n",
+  ) %>%
+  mutate(
+    DISCONFL = ifelse(!is.na(EOSDT) & DSDECOD != "COMPLETED", "Y", NA),
+    DSRAEFL = ifelse(DSTERM == "ADVERSE EVENT", "Y", NA),
+    DCDECOD = DSDECOD
+  ) %>%
+  select(STUDYID, USUBJID, EOSDT, DISCONFL, DSRAEFL, DSDECOD, DSTERM, DCDECOD)
+
+# Treatment information ---------------------------------------------------
+
+ex_dt <- ex %>%
+  derive_vars_dt(
+    dtc = EXSTDTC,
+    new_vars_prefix = "EXST",
+    highest_imputation = "n",
+  ) %>%
+  # treatment end is imputed by discontinuation if subject discontinued after visit 3 = randomization as per protocol
+  derive_vars_merged(
+    dataset_add = ds00,
+    by_vars = exprs(STUDYID, USUBJID),
+    new_vars = exprs(EOSDT = EOSDT),
+    filter_add = DCDECOD != "COMPLETED"
+  ) %>%
+  derive_vars_dt(
+    dtc = EXENDTC,
+    new_vars_prefix = "EXEN",
+    highest_imputation = "Y",
+    max_dates = exprs(EOSDT),
+    date_imputation = "last",
+    flag_imputation = "none"
+  ) %>%
+  mutate(DOSE = EXDOSE * (EXENDT - EXSTDT + 1))
+
+ex_dose <- ex_dt %>%
+  group_by(STUDYID, USUBJID, EXTRT) %>%
+  summarise(cnt = n_distinct(EXTRT), CUMDOSE = sum(DOSE))
+
+ex_dose[which(ex_dose[["cnt"]] > 1), "USUBJID"] # are there subjects with mixed treatments?
+
+adsl00 <- dm %>%
+  select(-DOMAIN) %>%
+  filter(ACTARMCD != "Scrnfail") %>%
+  # planned treatment
+  mutate(
+    TRT01P = ARM,
+    TRT01PN = case_when(
+      ARM == "Placebo" ~ 0,
+      ARM == "Xanomeline High Dose" ~ 81,
+      ARM == "Xanomeline Low Dose" ~ 54
+    )
+  ) %>%
+  # actual treatment - It is assumed TRT01A=TRT01P which is not really true.
+  mutate(
+    TRT01A = TRT01P,
+    TRT01AN = TRT01PN
+  ) %>%
+  # treatment start
+  derive_vars_merged(
+    dataset_add = ex_dt,
+    filter_add = (EXDOSE > 0 |
+                    (EXDOSE == 0 &
+                       grepl("PLACEBO", EXTRT, fixed = TRUE))) &
+      !is.na(EXSTDT),
+    new_vars = exprs(TRTSDT = EXSTDT),
+    order = exprs(EXSTDT, EXSEQ),
+    mode = "first",
+    by_vars = exprs(STUDYID, USUBJID)
+  ) %>%
+  # treatment end
+  derive_vars_merged(
+    dataset_add = ex_dt,
+    filter_add = (EXDOSE > 0 |
+                    (EXDOSE == 0 &
+                       grepl("PLACEBO", EXTRT, fixed = TRUE))) &
+      !is.na(EXENDT),
+    new_vars = exprs(TRTEDT = EXENDT),
+    order = exprs(EXENDT, EXSEQ),
+    mode = "last",
+    by_vars = exprs(STUDYID, USUBJID)
+  ) %>%
+  # treatment duration
+  derive_var_trtdurd() %>%
+  # dosing
+  left_join(ex_dose, by = c("STUDYID", "USUBJID")) %>%
+  select(-cnt) %>%
+  mutate(AVGDD = round_half_up(as.numeric(CUMDOSE) / TRTDURD, digits = 1))
+
+# Demographic grouping ----------------------------------------------------
+adsl01 <- adsl00 %>%
+  create_cat_var(adsl_spec, AGE, AGEGR1, AGEGR1N) %>%
+  create_var_from_codelist(adsl_spec, RACE, RACEN) %>%
+  mutate(
+    SITEGR1 = format_sitegr1(SITEID)
+  )
+
+# Population flag ---------------------------------------------------------
+# SAFFL - Y if ITTFL='Y' and TRTSDT ne missing. N otherwise
+# ITTFL - Y if ARMCD ne ' '. N otherwise
+# EFFFL - Y if SAFFL='Y AND at least one record in QS for ADAS-Cog and for CIBIC+ with VISITNUM>3, N otherwise
+# these variables are also in suppdm, but define said derived
+
+qstest <- distinct(qs[, c("QSTESTCD", "QSTEST")])
+
+eff <- qs %>%
+  filter(VISITNUM > 3, QSTESTCD %in% c("CIBIC", "ACTOT")) %>%
+  group_by(STUDYID, USUBJID) %>%
+  summarise(effcnt = n_distinct(QSTESTCD))
+
+adsl02 <- adsl01 %>%
+  left_join(eff, by = c("STUDYID", "USUBJID")) %>%
+  mutate(
+    SAFFL = case_when(
+      ARMCD != "Scrnfail" & ARMCD != "" & !is.na(TRTSDT) ~ "Y",
+      ARMCD == "Scrnfail" ~ NA_character_,
+      TRUE ~ "N"
+    ),
+    ITTFL = case_when(
+      ARMCD != "Scrnfail" & ARMCD != "" ~ "Y",
+      ARMCD == "Scrnfail" ~ NA_character_,
+      TRUE ~ "N"
+    ),
+    EFFFL = case_when(
+      ARMCD != "Scrnfail" & ARMCD != "" & !is.na(TRTSDT) & effcnt == 2 ~ "Y",
+      ARMCD == "Scrnfail" ~ NA_character_,
+      TRUE ~ "N"
+    )
+  )
+
+# Study Visit compliance --------------------------------------------------
+# these variables are also in suppdm, but define said derived
+
+sv00 <- sv %>%
+  select(STUDYID, USUBJID, VISIT, VISITDY, SVSTDTC) %>%
+  mutate(
+    FLG = "Y",
+    VISITCMP = case_when(
+      VISIT == "WEEK 8" ~ "COMP8FL",
+      VISIT == "WEEK 16" ~ "COMP16FL",
+      VISIT == "WEEK 24" ~ "COMP24FL",
+      TRUE ~ "ZZZ" # ensures every subject with one visit will get a row with minimally 'N'
+    )
+  ) %>%
+  arrange(STUDYID, USUBJID, VISITDY) %>%
+  distinct(STUDYID, USUBJID, VISITCMP, FLG) %>%
+  pivot_wider(names_from = VISITCMP, values_from = FLG, values_fill = "N") %>%
+  select(-ZZZ)
+
+adsl03 <- adsl02 %>%
+  left_join(sv00, by = c("STUDYID", "USUBJID"))
+
+# Disposition -------------------------------------------------------------
+
+adsl04 <- adsl03 %>%
+  left_join(ds00, by = c("STUDYID", "USUBJID")) %>%
+  select(-DSDECOD) %>%
+  derive_var_merged_cat(
+    dataset_add = ds00,
+    by_vars = exprs(STUDYID, USUBJID),
+    new_var = EOSSTT,
+    source_var = DSDECOD,
+    cat_fun = format_eosstt,
+    filter_add = !is.na(USUBJID),
+  ) %>%
+  derive_var_merged_cat(
+    dataset_add = ds00,
+    by_vars = exprs(STUDYID, USUBJID),
+    new_var = DCSREAS,
+    source_var = DSDECOD,
+    cat_fun = format_dcsreas, # could not include dsterm in formatting logic
+    filter_add = !is.na(USUBJID),
+  ) %>%
+  mutate(DCSREAS = ifelse(DSTERM == "PROTOCOL ENTRY CRITERIA NOT MET", "I/E Not Met", DCSREAS))
+
+# Baseline variables ------------------------------------------------------
+# selection definition from define
+
+vs00 <- vs %>%
+  filter((VSTESTCD == "HEIGHT" & VISITNUM == 1) | (VSTESTCD == "WEIGHT" & VISITNUM == 3)) %>%
+  mutate(AVAL = round_half_up(VSSTRESN, digits = 1)) %>%
+  select(STUDYID, USUBJID, VSTESTCD, AVAL) %>%
+  pivot_wider(names_from = VSTESTCD, values_from = AVAL, names_glue = "{VSTESTCD}BL") %>%
+  mutate(
+    BMIBL = round_half_up(WEIGHTBL / (HEIGHTBL / 100)^2, digits = 1)
+  ) %>%
+  create_cat_var(adsl_spec, BMIBL, BMIBLGR1)
+
+sc00 <- sc %>%
+  filter(SCTESTCD == "EDLEVEL") %>%
+  select(STUDYID, USUBJID, SCTESTCD, SCSTRESN) %>%
+  pivot_wider(names_from = SCTESTCD, values_from = SCSTRESN, names_glue = "EDUCLVL")
+
+adsl05 <- adsl04 %>%
+  left_join(vs00, by = c("STUDYID", "USUBJID")) %>%
+  left_join(sc00, by = c("STUDYID", "USUBJID"))
+
+# Disease information -----------------------------------------------------
+
+visit1dt <- sv %>%
+  filter(VISITNUM == 1) %>%
+  derive_vars_dt(
+    dtc = SVSTDTC,
+    new_vars_prefix = "VISIT1",
+  ) %>%
+  select(STUDYID, USUBJID, VISIT1DT)
+
+visnumen <- sv %>%
+  filter(VISITNUM < 100) %>%
+  arrange(STUDYID, USUBJID, SVSTDTC) %>%
+  group_by(STUDYID, USUBJID) %>%
+  slice(n()) %>%
+  ungroup() %>%
+  mutate(VISNUMEN = ifelse(round_half_up(VISITNUM, digits = 0) == 13, 12, round_half_up(VISITNUM, digits = 0))) %>%
+  select(STUDYID, USUBJID, VISNUMEN)
+
+disonsdt <- mh %>%
+  filter(MHCAT == "PRIMARY DIAGNOSIS") %>%
+  derive_vars_dt(
+    dtc = MHSTDTC,
+    new_vars_prefix = "DISONS",
+  ) %>%
+  select(STUDYID, USUBJID, DISONSDT)
+
+adsl06 <- adsl05 %>%
+  left_join(visit1dt, by = c("STUDYID", "USUBJID")) %>%
+  left_join(visnumen, by = c("STUDYID", "USUBJID")) %>%
+  left_join(disonsdt, by = c("STUDYID", "USUBJID")) %>%
+  derive_vars_duration(
+    new_var = DURDIS,
+    start_date = DISONSDT,
+    end_date = VISIT1DT,
+    out_unit = "days",
+    add_one = TRUE
+  ) %>%
+  # derive_vars_duration(..., out_unit = "months") is not used here because
+  # it calculates months based on date internals, while the original CDISC
+  # adsl.DURDIS was derived assuming each month has the same number of days,
+  # i.e., 365.25/12=30.4375.
+  # Feature requested: https://github.com/pharmaverse/admiral/issues/1875
+  # Workaround: derive days first and then convert it to months
+  mutate(
+    DURDIS = round_half_up(DURDIS / (365.25 / 12), digits = 1)
+  ) %>%
+  create_cat_var(adsl_spec, DURDIS, DURDSGR1) %>%
+  derive_vars_dt(
+    dtc = RFENDTC,
+    new_vars_prefix = "RFEN",
+  )
+
+mmsetot <- qs %>%
+  filter(QSCAT == "MINI-MENTAL STATE") %>%
+  group_by(STUDYID, USUBJID) %>%
+  summarise(MMSETOT = sum(as.numeric(QSORRES), na.rm = TRUE)) %>%
+  select(STUDYID, USUBJID, MMSETOT)
+
+adsl07 <- adsl06 %>%
+  left_join(mmsetot, by = c("STUDYID", "USUBJID"))
+
+# Export to xpt -----------------------------------------------------
+adsl07 %>%
+  drop_unspec_vars(adsl_spec) %>% # Check all variables specified are present and no more
+  check_ct_data(adsl_spec, na_acceptable = TRUE) %>% # Checks all variables with CT only contain values within the CT
+  order_cols(adsl_spec) %>% # Orders the columns according to the spec
+  sort_by_key(adsl_spec) %>% # Sorts the rows by the sort keys
+  xportr_length(adsl_spec) %>% # Assigns SAS length from a variable level metadata
+  xportr_label(adsl_spec) %>% # Assigns variable label from metacore specifications
+  xportr_df_label(adsl_spec) %>% # Assigns dataset label from metacore specifications
+  xportr_format(adsl_spec$var_spec %>%
+                  mutate_at(c("format"), ~ replace_na(., "")), "ADSL") %>%
+  xportr_write(file.path(path$adam, "adsl.xpt"),
+               label = "Subject-Level Analysis Dataset"
+  )
diff --git a/r/getdependency.r b/r/getdependency.r
new file mode 100644
index 0000000..37b00f8
--- /dev/null
+++ b/r/getdependency.r
@@ -0,0 +1,42 @@
+
+
+dir_to_programs <- file.path(getwd(), "r")
+
+# Scrape scripts ----------------------------------------------------------
+
+scrapemea <- list.files(dir_to_programs, pattern = "\\.r$", full.names = TRUE)
+scrapemeb <- list.files(dir_to_programs, pattern = "^ad", full.names = TRUE)
+
+scrapeme <- intersect(scrapemea, scrapemeb)
+
+scrape_inputfiles <- function(script=scrapeme){
+
+  # do some checks on input
+
+
+  # read file to extract lines where input is read into the script, ignoring comments
+  tmp <- data.frame(lines = trimws(suppressWarnings(readLines(script)), which=("both")), stringsAsFactors = F)
+  tmp <- data.frame(lines = tmp$lines[which(!grepl("#", tmp$lines) & !grepl("write", tmp$lines))], stringsAsFactors = F)
+  lines <- tolower(tmp$lines)
+
+  # extract file types to detect
+  filetypes <- c("rds", "xpt", "sas7bdat", "json")
+
+
+  # Extract input files for each type and simplify the regex operation
+  inputfiles  <- list()
+
+  for (type in filetypes) {
+    pattern <- paste0("\\b\\S+\\.", type, "\\b")
+    inputfiles[[type]] <- unlist(regmatches(lines, gregexpr(pattern, lines)))
+  }
+
+  # Include excel files specifically for .xls and .xlsx
+  inputfiles$excel <- unlist(regmatches(lines, gregexpr("\\b\\S+\\.xls[x]?\\b", lines)))
+
+  return(inputfiles)
+}
+
+infiles <- sapply(scrapeme, FUN = scrape_inputfiles, simplify = F, USE.NAMES = F)
+names(infiles) <- sapply(scrapeme, basename)
+print(infiles)