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Updated analysis for Figure 1 and 2.
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analysis/deprecated/molkart.mesmer_seg.misty_analysis.Rmd
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--- | ||
title: "molkart.misty_analysis2" | ||
author: "FloWuenne" | ||
date: "2024-01-14" | ||
output: workflowr::wflow_html | ||
editor_options: | ||
chunk_output_type: console | ||
--- | ||
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```{r setup, include=FALSE} | ||
knitr::opts_chunk$set(echo = TRUE) | ||
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library(tidyverse) | ||
library(mistyR) | ||
library(rlist) | ||
library(FNN) | ||
library(future) | ||
library(cowplot) | ||
library(igraph) | ||
library(ClusterR) | ||
library(viridis) | ||
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source("./code/functions.R") | ||
``` | ||
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This markdown will perform Misty analysis on the cell typing based on Mesmer segmentation masks. | ||
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```{r} | ||
plan(multisession, workers = 8) | ||
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## Custom functions | ||
interaction_communities_info <- function(misty.results, concat.views, view, | ||
trim = 0, trim.measure = "gain.R2", | ||
cutoff = 1, resolution = 1) { | ||
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inv <- sign((stringr::str_detect(trim.measure, "gain") | | ||
stringr::str_detect(trim.measure, "RMSE", negate = TRUE)) - 0.5) | ||
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targets <- misty.results$improvements.stats %>% | ||
dplyr::filter( | ||
measure == trim.measure, | ||
inv * mean >= inv * trim | ||
) %>% | ||
dplyr::pull(target) | ||
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view.wide <- misty.results$importances.aggregated %>% | ||
filter(view == !!view) %>% | ||
pivot_wider( | ||
names_from = "Target", values_from = "Importance", | ||
id_cols = -c(view, nsamples) | ||
) %>% mutate(across(-c(Predictor,all_of(targets)), \(x) x = NA)) | ||
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mistarget <- setdiff(view.wide$Predictor, colnames(view.wide)[-1]) | ||
mispred <- setdiff(colnames(view.wide)[-1], view.wide$Predictor) | ||
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if(length(mispred) != 0){ | ||
view.wide.aug <- view.wide %>% add_row(Predictor = mispred) | ||
} else { | ||
view.wide.aug <- view.wide | ||
} | ||
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if(length(mistarget) != 0){ | ||
view.wide.aug <- view.wide.aug %>% | ||
bind_cols(mistarget %>% | ||
map_dfc(~tibble(!!.x := NA))) | ||
} | ||
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A <- view.wide.aug %>% | ||
column_to_rownames("Predictor") %>% | ||
as.matrix() | ||
A[A < cutoff | is.na(A)] <- 0 | ||
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## !!! Was buggy | ||
G <- graph.adjacency(A[,rownames(A)], mode = "plus", weighted = TRUE) %>% | ||
set.vertex.attribute("name", value = names(V(.))) %>% | ||
delete.vertices(which(degree(.) == 0)) | ||
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Gdir <- graph.adjacency(A[,rownames(A)], "directed", weighted = TRUE) %>% | ||
set.vertex.attribute("name", value = names(V(.))) %>% | ||
delete.vertices(which(degree(.) == 0)) | ||
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C <- cluster_leiden(G, resolution_parameter = resolution, n_iterations = -1) | ||
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mem <- membership(C) | ||
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Gdir <- set_vertex_attr(Gdir, "community", names(mem), as.numeric(mem)) | ||
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# careful here the first argument is the predictor and the second the target, | ||
# it might need to come from different view | ||
corrs <- as_edgelist(Gdir) %>% apply(1, \(x) cor( | ||
concat.views[[view]][, x[1]], | ||
concat.views[["intraview"]][, x[2]] | ||
)) %>% replace_na(0) | ||
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Gdir <- set_edge_attr(Gdir, "cor", value = corrs) | ||
return(Gdir) | ||
} | ||
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cellular_neighborhoods <- function(sample.cells, sample.pos, n, k){ | ||
misty.views <- create_initial_view(sample.cells) %>% add_paraview(sample.pos, family = "constant", l = n) | ||
clust <- KMeans_rcpp(misty.views[[paste0("paraview.",n)]], k) | ||
return(clust$clusters) | ||
} | ||
``` | ||
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# Introduction | ||
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In this markdown we will utilize [MistyR](https://saezlab.github.io/mistyR/) to perform global spatial analysis on the cell-type encodings for our molecular Cartography data. | ||
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Make sure to have the latest development version (15.01.2024) : https://github.com/jtanevski/mistyR | ||
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## Analyze data using MistyR with low levels cell phenotypes | ||
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```{r} | ||
size_param <- 125 | ||
all.data <- read_tsv("./output/molkart/molkart.misty_celltype_table.mesmer_seg.lowres.tsv") | ||
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samples <- all.data %>% | ||
pull(sample_ID) %>% | ||
unique() | ||
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cts <- all.data %>% | ||
pull(misty_cts) %>% | ||
unique() | ||
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cts.names <- make.names(cts, allow_ = FALSE) | ||
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## Count number of cells per type | ||
ct_numbers <- all.data %>% | ||
group_by(sample_ID, misty_cts) %>% | ||
summarise(n = n()) %>% | ||
pivot_wider(names_from = misty_cts, values_from = n) %>% | ||
column_to_rownames("sample_ID") %>% | ||
as.matrix() | ||
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samples %>% walk(\(sample){ | ||
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sample.cells <- all.data %>% | ||
filter(sample_ID == sample) %>% | ||
pull(misty_cts) %>% | ||
map(~ .x == cts) %>% | ||
list.rbind() %>% | ||
`colnames<-`(cts.names) %>% | ||
as_tibble() | ||
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sample.pos <- all.data %>% | ||
filter(sample_ID == sample) %>% | ||
select(X_centroid, Y_centroid) | ||
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l <- size_param / 0.138 | ||
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misty.views.cts <- create_initial_view(sample.cells) %>% | ||
add_paraview(sample.pos, l) %>% | ||
rename_view(paste0("paraview.", l), "paraview") %>% | ||
select_markers("intraview", where(~ sd(.) != 0)) | ||
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db_name <- paste("results_cts.mesmer_seg.lowres.",size_param,".sqm",sep="") | ||
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run_misty(misty.views.cts, sample, db_name, bypass.intra = TRUE) | ||
}) | ||
``` | ||
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```{r} | ||
l <- size_param / 0.138 | ||
db_name <- paste("results_cts.mesmer_seg.lowres.",size_param,".sqm",sep="") | ||
groups <- samples %>% str_extract("(?<=sample_).+(?=_r)") %>% unique() | ||
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misty.results.g <- groups %>% map(~ collect_results(db_name, .x)) | ||
#misty.results.g <- groups %>% map(~ collect_results(paste("results_cts_",as.character(size_param),".sqm",sep=""), .x,)) ## | ||
names(misty.results.g) <- groups | ||
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outdir <- paste("mesmer_seg.misty_figures_",size_param,sep="") | ||
dir.create(outdir) ## | ||
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misty.results.g %>% iwalk(\(misty.results, cond){ | ||
plot.list <- list() | ||
plot_improvement_stats(misty.results, "gain.R2") | ||
plot.list <- list.append(plot.list, last_plot()) | ||
plot_interaction_heatmap(misty.results, "paraview", cutoff = 0.3, clean = TRUE, trim = 5) | ||
plot.list <- list.append(plot.list, last_plot()) | ||
plot_grid(plotlist = plot.list, ncol = 2) | ||
ggsave(paste0(outdir,"/", cond, "_stats.pdf"), width = 10, height = 10) | ||
#ggsave(paste0("misty_figures_",size_param,"/", cond, "_stats.pdf"), width = 10, height = 10) | ||
}) | ||
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dir.create("graphs", recursive = TRUE) | ||
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# names(misty.results.g) %>% walk(\(g){ | ||
# concat.views <- samples %>% str_subset(g) %>% map(\(sample){ | ||
# sample.cells <- all.data %>% | ||
# filter(sample_ID == sample) %>% | ||
# pull(misty_cts) %>% | ||
# map(~ .x == cts) %>% | ||
# list.rbind() %>% | ||
# `colnames<-`(cts.names) %>% | ||
# as_tibble() | ||
# | ||
# sample.pos <- all.data %>% | ||
# filter(sample_ID == sample) %>% | ||
# select(X_centroid, Y_centroid) | ||
# | ||
# misty.views.cts <- create_initial_view(sample.cells) %>% | ||
# add_paraview(sample.pos, l) %>% | ||
# rename_view(paste0("paraview.", l), "paraview") %>% | ||
# select_markers("intraview", where(~ sd(.) != 0)) | ||
# | ||
# }) %>% list.clean() %>% reduce(\(acc, nxt){ | ||
# list( | ||
# intraview = bind_rows(acc[["intraview"]], nxt[["intraview"]]), | ||
# paraview = bind_rows(acc[["paraview"]], nxt[["paraview"]]) | ||
# ) | ||
# }, .init = list(intraview = NULL, paraview = NULL)) | ||
# | ||
# out <- interaction_communities_info(misty.results.g[[g]], concat.views, | ||
# view = "paraview", trim = 5, cutoff = 0.5) | ||
# graph_name <- paste0("graphs/para.",size_param,".", g, ".graphml") | ||
# write_graph(out, graph_name , "graphml") | ||
# #write_graph(out, paste0("graphs/para.",size_param,".", g, ".graphml"), "graphml") | ||
# }) | ||
``` | ||
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```{r} | ||
# ## Save misty results in R object for easier faster loading | ||
# saveRDS(misty.results.g, | ||
# file = paste0("./output/molkart/misty_results.lowres.",size_param,".rds")) | ||
``` |
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