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An S4 class representing the input data for haplotype-block reconstruction
Time-series data is initialzed to be used for haplotype-block reconstruction.
An S4 class storing the initialized input data for haplotype-block
reconstruction with reconstruct_hb. Genome-wide time series data for
multiple time points and replicates is stored along with replicate and time
point information of the time series data. The stored data is filtered for
SNPs with a maximum minor frequency in the experimental starting population
and a minimum frequency change minfreqchange that is required for
minrepl many replicates. An object of the class
SNP_time_series can only be created with the function
initialize_SNP_time_series.
col.infodata.table with columns 'chr', 'pos', 'base.freq' and window. Each row corresponds to a SNP position that fullfills the filtering criteria.
lib.freqsdata.table with columns for the different libraries (time points and replicates) and rows for all SNP positions that fullfill the filtering criteria.
pos.cMnumeric vector corresponding to SNP positions in col.info with genetic positions in cM.
pop.identnumeric vector specifying the identity of each library in terms of replicate ID
pop.generationnumeric vector specifying the time point of the respective library
use.libslogical vector specifying which libraries should be used for haplotype-block reconstruction
winsizenumeric specifying the window size on which to perform the analysis
win.scalecharacter string specifying which genome-wide distance measure is used for window definition. Options are "bp" (base pairs) or "cM" (centi Morgan). cM distances can only be used if gentic positions are provided in 'pos.cM' (default="Mb").
min.minor.freqnumeric specifying the minimum frequency of the minor allele (polarized in the experimental starting population) to be included in the analysis (default=0).
max.minor.freqnumeric specifying the maximum frequency of the minor allele (polarized in the experimental starting population) to be included in the analysis (default=3/113).
min.lib.fracminimum fraction of non-NA values for a SNP across
libraries (only using libraries specified in use.libs) (default=0.75).
minfreqchangenumeric specifying the minimum frequency change required in 'minrepl' replicates required to include the SNP in the analysis
minreplnumeric specifying the number of replicates, in which the 'minfreqchange' is required to include the SNP in the analysis
Susanne U. Franssen
Franssen, Barton & Schloetterer 2016, Reconstruction of haplotype-blocks selected during experimental evolution, MBE
ex_dat initialize_SNP_time_series reconstruct_hb
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