Most functions that are available in the Pavian shiny interface can also be used from the command line.
library(pavian) sample_data <- pavian::read_sample_data(system.file("shinyapp","example-data","brain-biopsies",package="pavian")) reports <- pavian::read_reports(sample_data$ReportFilePath, sample_data$Name) merged_reports <- pavian::merge_reports2(reports, col_names = sample_data$Name) pavian::summarize_reports(reports) tax_data <- merged_reports[[1]] clade_reads <- merged_reports[[2]] taxon_reads <- merged_reports[[3]] colSums(clade_reads,na.rm = T) colSums(taxon_reads,na.rm = T) sel_rows <- pavian::filter_taxa(tax_data, rm_clades = c("Chordata", "artificial sequences", "unclassified"), taxRank = "S") summary(sel_rows) filtered_clade_reads <- pavian::filter_cladeReads(clade_reads, tax_data, c("Chordata", "artificial sequences", "unclassified")) tax_data1 <- tax_data[sel_rows,] filtered_clade_reads1 <- filtered_clade_reads[sel_rows, ] taxon_reads1 <- taxon_reads[sel_rows, ] head(cbind(tax_data1[,1:3],clade_reads[sel_rows, ])[order(-apply(filtered_clade_reads1,1,max, na.rm=T)),]) normalized_clade_reads <- normalize(filtered_clade_reads1) normalized_taxon_reads <- normalize(taxon_reads[sel_rows,], sums = colSums(filtered_clade_reads1,na.rm = T)) head(cbind(tax_data1[,1:3],max=apply(cbind(normalized_clade_reads),1,max, na.rm=T), normalized_clade_reads)[order(-apply(cbind(normalized_clade_reads),1,max, na.rm=T)),]) reads_zscore <- robust_zscore(100*cbind(normalized_clade_reads,normalized_taxon_reads), 0.001) clade_reads_zscore <- reads_zscore[,1:20] reads_zscore_df <- cbind(tax_data1[,1:3],max=apply(clade_reads_zscore,1,max, na.rm=T), clade_reads_zscore)[order(-apply(clade_reads_zscore,1,max, na.rm=T)),] ## Calculate z-score from the clade reads
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