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synbreed (version 0.9-3)

summaryGenMap: Summary of marker map information

Description

This function can be used to summarize information from a marker map in an object of class gpData. Return value is a data.frame with one row for each chromosome and one row summarizing all chromosomes.

Usage

summaryGenMap(map)

Arguments

map
data.frame with columns chr and pos or a gpData object with element map

Value

  • A data.frame with one row for each chromosome and the intersection of all chromosomes and columns
  • noMnumber of markers
  • rangerange of positions, i.e. difference between first and last marker
  • avDistavarage distance of markers
  • maxDistmaximum distance of markers
  • minDistminimum distance of markers

Details

Summary statistics of differences are based on euclidian distances between markers with non-missing position in map, i.e. pos!=NA.

See Also

create.gpData

Examples

Run this code
data(maize)
summaryGenMap(maize)

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