The dslabs R package is short for Data Science Labs. The package includes several datasets, such as the dataset called murders for US gun murders by state for 2010:
> library(dslabs)
> data(murders)
> head(murders)
state abb region population total
1 Alabama AL South 4779736 135
2 Alaska AK West 710231 19
3 Arizona AZ West 6392017 232
4 Arkansas AR South 2915918 93
5 California CA West 37253956 1257
6 Colorado CO West 5029196 65
The following table shows the datasets included in the package:
Table 3.8 Datasets included in the R package called dslabs