The little.map.frame data frame has 50 rows and 9 columns that
describe the marker map of little.map.dx in the format
produced by make.map.frame. little.map.dx has the
minimal data needed to construct this.
data(little.map.frame)This data frame contains the following columns:
a factor with levels
m.1
m.2
...
m.50
a vector of locations
weights to be used in sampling and Bayesian computations
a factor with levels
left
right
center
always TRUE for these data
a vector of plotting positions
transformed recombination fractions
an abbreviated locus name
the chromosome number 1, 2, 3, 4, or 5.