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getSelectedRows

Source: R/utilities-observed-data.R
getSelectedRows.Rd

Get selected rows from data and its selection The function leverage dplyr::filter to select the rows

Usage

getSelectedRows(data, dataSelection)

Arguments

data

A data.frame

dataSelection

Character string or expression evaluated to select data The enum helper DataSelectionKeys provides keys for selected all or none of the data

Value

A data.frame of selected data

See also

DataSelectionKeys

Examples

data <- data.frame(
  x = seq(0, 9),
  y = seq(10, 19),
  mdv = c(1, 1, rep(0, 8)),
  groups = rep(c("A", "B"), 5)
)

# Select all the rows
getSelectedRows(data, DataSelectionKeys$ALL)
#> [1] TRUE

# Select no row
getSelectedRows(data, DataSelectionKeys$NONE)
#> [1] FALSE

# Select rows from group A
getSelectedData(data, "groups %in% 'A'")
#>   x  y mdv groups
#> 1 0 10   1      A
#> 2 2 12   0      A
#> 3 4 14   0      A
#> 4 6 16   0      A
#> 5 8 18   0      A

# Get rows of missing dependent variable (mdv)
getSelectedRows(data, "mdv == 0")
#> [1]  3  4  5  6  7  8  9 10