Nothing
## ----echo = FALSE-------------------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
if (!requireNamespace("dplyr", quietly = TRUE)) {
knitr::opts_chunk$set(eval = FALSE)
}
options(max.print = 1000)
suppressPackageStartupMessages(library(sjmisc))
## -----------------------------------------------------------------------------
library(sjmisc)
data(efc)
# returns a vector
x <- rec(efc$e42dep, rec = "1,2=1; 3,4=2")
str(x)
# returns a data frame
rec(efc, e42dep, rec = "1,2=1; 3,4=2", append = FALSE) %>% head()
## ----echo=FALSE, message=FALSE------------------------------------------------
library(dplyr)
## ----collapse=TRUE------------------------------------------------------------
# select all variables with "cop" in their names, and also
# the range from c161sex to c175empl
rec(
efc, contains("cop"), c161sex:c175empl,
rec = "0,1=0; else=1",
append = FALSE
) %>% head()
# center all variables with "age" in name, variable c12hour
# and all variables from column 19 to 21
center(efc, c12hour, contains("age"), 19:21, append = FALSE) %>% head()
## -----------------------------------------------------------------------------
x <- efc[, 3:5]
x %>% str()
to_factor(x, e42dep, e16sex) %>% str()
## -----------------------------------------------------------------------------
# complete data, including new columns
rec(efc, c82cop1, c83cop2, rec = "1,2=0; 3:4=2", append = TRUE) %>% head()
# only new columns
rec(efc, c82cop1, c83cop2, rec = "1,2=0; 3:4=2", append = FALSE) %>% head()
## -----------------------------------------------------------------------------
efc %>%
rec(c82cop1, c83cop2, rec = "1,2=0; 3:4=2", append = FALSE) %>%
add_columns(efc) %>%
head()
## -----------------------------------------------------------------------------
# complete data, existing columns c82cop1 and c83cop2 are replaced
rec(efc, c82cop1, c83cop2, rec = "1,2=0; 3:4=2", append = TRUE, suffix = "") %>% head()
## -----------------------------------------------------------------------------
efc %>%
select(c82cop1, c83cop2) %>%
rec(rec = "1,2=0; 3:4=2") %>%
head()
efc %>%
select(c82cop1, c83cop2) %>%
mutate(
c82cop1_dicho = rec(c82cop1, rec = "1,2=0; 3:4=2"),
c83cop2_dicho = rec(c83cop2, rec = "1,2=0; 3:4=2")
) %>%
head()
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