Select variables and filter data

get_data(dataset, vars = "", filt = "", rows = NULL, na.rm = TRUE, envir = c())

Arguments

dataset	Dataset or name of the data.frame
vars	Variables to extract from the data.frame
filt	Filter to apply to the specified dataset
rows	Select rows in the specified dataset
na.rm	Remove rows with missing values (default is TRUE)
envir	Environment to extract data from

Value

Data.frame with specified columns and rows

Details

Function is used in radiant to select variables and filter data based on user input in string form

Examples

get_data(mtcars, vars = "cyl:vs", filt = "mpg > 25")
#>                cyl  disp  hp drat    wt  qsec vs
#> Fiat 128         4  78.7  66 4.08 2.200 19.47  1
#> Honda Civic      4  75.7  52 4.93 1.615 18.52  1
#> Toyota Corolla   4  71.1  65 4.22 1.835 19.90  1
#> Fiat X1-9        4  79.0  66 4.08 1.935 18.90  1
#> Porsche 914-2    4 120.3  91 4.43 2.140 16.70  0
#> Lotus Europa     4  95.1 113 3.77 1.513 16.90  1
get_data(mtcars, vars = c("mpg", "cyl"), rows = 1:10)
#>                    mpg cyl
#> Mazda RX4         21.0   6
#> Mazda RX4 Wag     21.0   6
#> Datsun 710        22.8   4
#> Hornet 4 Drive    21.4   6
#> Hornet Sportabout 18.7   8
#> Valiant           18.1   6
#> Duster 360        14.3   8
#> Merc 240D         24.4   4
#> Merc 230          22.8   4
#> Merc 280          19.2   6