graph_to_pcs | R Documentation |
This function simulates PCA of allele frequencies under an admixture graph model
graph_to_pcs(
graph,
nsnps = 10000,
drift_default = 0.02,
admix_default = 0.5,
leaves_only = TRUE
)
graph |
An admixture graph as igraph object, or as edge list data frame
with a column |
nsnps |
Number of SNPs to simulate |
drift_default |
Default branch lengths. Ignored if |
admix_default |
Default admixture weights. Ignored if |
leaves_only |
Return PCs for leaf nodes only |
A data frame with PCs for each population
graph_to_afs
## Not run:
pcs = graph_to_pcs(example_igraph)
pcs %>% ggplot(aes(PC1, PC2, label = pop)) + geom_text() + geom_point()
## End(Not run)
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