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)
