Sleep data with missing values.

Format

A data frame with 62 observations on the following 10 variables.

BodyWgt

a numeric vector

BrainWgt

a numeric vector

NonD

a numeric vector

Dream

a numeric vector

Sleep

a numeric vector

Span

a numeric vector

Gest

a numeric vector

Pred

a numeric vector

Exp

a numeric vector

Danger

a numeric vector

Source

Allison, T. and Chichetti, D. (1976) Sleep in mammals: ecological and constitutional correlates. Science 194 (4266), 732–734.

The data set was imported from GGobi.

Examples


data(sleep, package = "VIM")
summary(sleep)
#>     BodyWgt            BrainWgt            NonD            Dream      
#>  Min.   :   0.005   Min.   :   0.14   Min.   : 2.100   Min.   :0.000  
#>  1st Qu.:   0.600   1st Qu.:   4.25   1st Qu.: 6.250   1st Qu.:0.900  
#>  Median :   3.342   Median :  17.25   Median : 8.350   Median :1.800  
#>  Mean   : 198.790   Mean   : 283.13   Mean   : 8.673   Mean   :1.972  
#>  3rd Qu.:  48.202   3rd Qu.: 166.00   3rd Qu.:11.000   3rd Qu.:2.550  
#>  Max.   :6654.000   Max.   :5712.00   Max.   :17.900   Max.   :6.600  
#>                                       NA's   :14       NA's   :12     
#>      Sleep            Span              Gest             Pred      
#>  Min.   : 2.60   Min.   :  2.000   Min.   : 12.00   Min.   :1.000  
#>  1st Qu.: 8.05   1st Qu.:  6.625   1st Qu.: 35.75   1st Qu.:2.000  
#>  Median :10.45   Median : 15.100   Median : 79.00   Median :3.000  
#>  Mean   :10.53   Mean   : 19.878   Mean   :142.35   Mean   :2.871  
#>  3rd Qu.:13.20   3rd Qu.: 27.750   3rd Qu.:207.50   3rd Qu.:4.000  
#>  Max.   :19.90   Max.   :100.000   Max.   :645.00   Max.   :5.000  
#>  NA's   :4       NA's   :4         NA's   :4                       
#>       Exp            Danger     
#>  Min.   :1.000   Min.   :1.000  
#>  1st Qu.:1.000   1st Qu.:1.000  
#>  Median :2.000   Median :2.000  
#>  Mean   :2.419   Mean   :2.613  
#>  3rd Qu.:4.000   3rd Qu.:4.000  
#>  Max.   :5.000   Max.   :5.000  
#>                                 
aggr(sleep)