source("manipulation/global.R")
# Read in data
auth <- read_csv("manipulation/auth")
db <- as_data_frame(redcap_read_oneshot(redcap_uri = auth$uri,
token = auth$token)$data)
db_version <- as.character(Sys.time())
# In the next few steps, you should split data into smaller pieces
## When the redcap project is large, you may want to read in only one
## piece of the database.
baseline <- db %>%
# set up a filter to only select rows with baseline data
filter(redcap_event_name %in% c("phone", "visit 1")) %>%
# Select variables that matters
select(studyid, redcap_event_name, something, something2, anotherthing)
test <- db %>%
# select relavent rows and columns
filter(redcap_event_name %in% c("visit 1", "visit 2", "visit 3")) %>%
select(studyid, redcap_event_name, test1_1:test1_5, test2, test3) %>%
# Perform some calculations
mutate(test1 = sum(test1_1, test1_2, test1_3, test1_4, test1_5,
na.rm = T)) %>%
# downsize the data
select(studyid, redcap_event_name, test1, test2, test3)
# If if requires some complicated manipulation, you can put analytical
# code in a separate file and source it here. For example
source("manipulation/baseline.R")
# After everything, you have the option to export a cleaned version of
# the data to somewhere. In many cases, you don't need to
# write(baseline, "data/baseline.csv")
# write(baseline, "data/tests.csv")
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