contents provides a comprehensive description of a data
frame, including summary statistics for both quantitative and
categorical variables
contents(data, digits = 2, maxcat = 10, label_length = 20)
| data | a data frame |
|---|---|
| digits | number of decimal digits for statistics. |
| maxcat | maximum number of levels of a character/factor variable to print. |
| label_length | maximum length of factor level label to print. Longer labels will be truncated. |
a list with 6 components:
name of data frame
number of rows
number of columns
data frame of overall dataset characteristics
data frame with summary statistics for quantitative variables
data frame with summary statistics for categorical variables
Prints a comprehensive description of a data frame via several tables, a general summary table and tables that provide a breakdown of quantitative and categorical variables.
contents(cars74)#> #> The data frame cars74 has 32 observations and 12 variables. #> #> Overall #> pos varname type n_unique n_miss pct_miss #> 1 auto character 32 0 0% #> 2 mpg numeric 25 0 0% #> 3 cyl ordered 3 0 0% #> 4 disp numeric 27 0 0% #> 5 hp numeric 22 0 0% #> 6 drat numeric 22 0 0% #> 7 wt numeric 29 0 0% #> 8 qsec numeric 30 0 0% #> 9 vs factor 2 0 0% #> 10 am factor 2 0 0% #> 11 gear ordered 3 0 0% #> 12 carb ordered 6 0 0% #> #> Numeric Variables #> n mean sd skew min p25 median p75 max #> mpg 32 20.09 6.03 0.61 10.40 15.43 19.20 22.80 33.90 #> disp 32 230.72 123.94 0.38 71.10 120.83 196.30 326.00 472.00 #> hp 32 146.69 68.56 0.73 52.00 96.50 123.00 180.00 335.00 #> drat 32 3.60 0.53 0.27 2.76 3.08 3.70 3.92 4.93 #> wt 32 3.22 0.98 0.42 1.51 2.58 3.33 3.61 5.42 #> qsec 32 17.85 1.79 0.37 14.50 16.89 17.71 18.90 22.90 #> #> Categorical Variables #> variable level n pct #> auto AMC Javelin 1 0.03 #> Cadillac Fleetwood 1 0.03 #> Camaro Z28 1 0.03 #> Chrysler Imperial 1 0.03 #> Datsun 710 1 0.03 #> Dodge Challenger 1 0.03 #> Duster 360 1 0.03 #> Ferrari Dino 1 0.03 #> Fiat 128 1 0.03 #> Fiat X1-9 1 0.03 #> (22 more levels) 22 0.69 #> cyl cyl4 11 0.34 #> cyl6 7 0.22 #> cyl8 14 0.44 #> vs V-shaped 18 0.56 #> straight 14 0.44 #> am automatic 19 0.59 #> manual 13 0.41 #> gear gears3 15 0.47 #> gears4 12 0.38 #> gears5 5 0.16 #> carb carb1 7 0.22 #> carb2 10 0.31 #> carb3 3 0.09 #> carb4 10 0.31 #> carb6 1 0.03 #> carb8 1 0.03