Last updated: 2018-09-25

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Expand here to see past versions:
    File Version Author Date Message
    Rmd 66570c5 Briana Mittleman 2018-09-25 PAS per gene
    html d3bb287 Briana Mittleman 2018-09-24 Build site.
    Rmd f7934ce Briana Mittleman 2018-09-24 wflow_publish(c(“index.Rmd”, “39indQC.Rmd”))


I will use this to look at the map stats and peak stats for the full set of 39 ind.

library(tidyverse)
── Attaching packages ──────────────────────────────────────────────────────────────────────────────────────────── tidyverse 1.2.1 ──
✔ ggplot2 3.0.0     ✔ purrr   0.2.5
✔ tibble  1.4.2     ✔ dplyr   0.7.6
✔ tidyr   0.8.1     ✔ stringr 1.3.1
✔ readr   1.1.1     ✔ forcats 0.3.0
── Conflicts ─────────────────────────────────────────────────────────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
library(workflowr)
This is workflowr version 1.1.1
Run ?workflowr for help getting started
library(reshape2)

Attaching package: 'reshape2'
The following object is masked from 'package:tidyr':

    smiths
library(cowplot)

Attaching package: 'cowplot'
The following object is masked from 'package:ggplot2':

    ggsave
library(tximport)

Map Stats

mapstats= read.csv("../data/comb_map_stats_39ind.csv", header = T, stringsAsFactors = F)
mapstats$line=as.factor(mapstats$line)
mapstats$fraction=as.factor(mapstats$fraction)
map_melt=melt(mapstats, id.vars=c("line", "fraction"), measure.vars = c("comb_reads", "comb_mapped", "comb_prop_mapped"))

prop_mapped= map_melt %>% filter(variable=="comb_prop_mapped")
mapped_reads= map_melt %>% filter(variable=="comb_mapped")


mapplot_prop=ggplot(prop_mapped, aes(y=value, x=line, fill=fraction)) + geom_bar(stat="identity",position="dodge") + labs( title="Proportion of reads mapped") + ylab("Proportion mapped")


mapplot_mapped=ggplot(mapped_reads, aes(y=value, x=line, fill=fraction)) + geom_bar(stat="identity",position="dodge") + labs( title="Number of Mapped reads") + ylab("Mapped")

plot_grid(mapplot_prop, mapplot_mapped)

Expand here to see past versions of unnamed-chunk-2-1.png:
Version Author Date
d3bb287 Briana Mittleman 2018-09-24

Plot boxplots for total vs nuclear.

box_mapprop=ggplot(prop_mapped, aes(y=value, x=fraction, fill=fraction)) + geom_boxplot() + geom_jitter(position = position_jitter(.3)) + labs( title="Map Proportion") + ylab("Mapped Proportion")

box_map=ggplot(mapped_reads, aes(y=value, x=fraction, fill=fraction)) + geom_boxplot() + geom_jitter(position = position_jitter(.3)) + labs( title="Number of Mapped reads") + ylab("Mapped")


plot_grid(box_map, box_mapprop)

Expand here to see past versions of unnamed-chunk-3-1.png:
Version Author Date
d3bb287 Briana Mittleman 2018-09-24

Genes with multiple peaks

This is similar to the analysis I ran in dataprocfigures.Rmd. I start by overlappping the refseq genes with my peaks. With the script refseq_countdistinct.sh.

namesPeak=c("Chr", "Start", "End", "Name", "Score", "Strand", "numPeaks")
Opeakpergene=read.table("../data/peakPerRefSeqGene/filtered_APApeaks_perRefseqGene_oppStrand.txt", stringsAsFactors = F, header = F, col.names = namesPeak) %>% mutate(onePeak=ifelse(numPeaks==1, 1, 0 )) %>%  mutate(multPeaks=ifelse(numPeaks > 1, 1, 0 ))

Ogenes1peak=sum(Opeakpergene$onePeak)/nrow(Opeakpergene) 
OgenesMultpeak=sum(Opeakpergene$multPeaks)/nrow(Opeakpergene)
Ogenes0peak= 1- Ogenes1peak - OgenesMultpeak


OperPeak= c(round(Ogenes0peak,digits = 3), round(Ogenes1peak,digits = 3),round(OgenesMultpeak, digits = 3))
Category=c("Zero", "One", "Multiple")
OperPeakdf=as.data.frame(cbind(Category,OperPeak))

OperPeakdf$OperPeak=as.numeric(as.character(OperPeakdf$OperPeak))

Olab1=paste("Genes =", Ogenes0peak*nrow(Opeakpergene), sep=" ")
Olab2=paste("Genes =", sum(Opeakpergene$onePeak), sep=" ")
Olab3=paste("Genes =", sum(Opeakpergene$multPeaks), sep=" ")

Ogenepeakplot=ggplot(OperPeakdf, aes(x="", y=OperPeak, by=Category, fill=Category)) + geom_bar(stat="identity")+ labs(title="Characterize Refseq genes by number of PAS- Oppstrand", y="Proportion of Protein Coding gene", x="")+ scale_fill_brewer(palette="Paired") + coord_cartesian(ylim=c(0,1)) + annotate("text", x="", y= .2, label=Olab1) + annotate("text", x="", y= .4, label=Olab2) + annotate("text", x="", y= .9, label=Olab3)
Ogenepeakplot

I will now repull in the RNA seq data for one of my lines to look at the expression levels of the genes with at least 1 called peak.

tx2gene=read.table("../data/RNAkalisto/ncbiRefSeq.txn2gene.txt" ,header= F, sep="\t", stringsAsFactors = F)

txi.kallisto.tsv <- tximport("../data/RNAkalisto/abundance.tsv", type = "kallisto", tx2gene = tx2gene)
Note: importing `abundance.h5` is typically faster than `abundance.tsv`
reading in files with read_tsv
1 
removing duplicated transcript rows from tx2gene
transcripts missing from tx2gene: 99
summarizing abundance
summarizing counts
summarizing length
txi.kallisto.tsv$abundance= as.data.frame(txi.kallisto.tsv$abundance) %>% rownames_to_column(var="Name")
colnames(txi.kallisto.tsv$abundance)= c("Name", "TPM")

#genes with >0 TPM and at least 1 peak
refPeakandRNA_withO_TPM=Opeakpergene %>% inner_join(txi.kallisto.tsv$abundance, by="Name") %>% filter(TPM>0, numPeaks>0)

#genes with >0  TPM and 0 peak
refPeakandRNA_noPeakw_withO_TPM=Opeakpergene %>% inner_join(txi.kallisto.tsv$abundance, by="Name") %>% filter(TPM >0, numPeaks==0) 

#plot
plot(sort(log10(refPeakandRNA_withO_TPM$TPM), decreasing = T), main="Distribution of RNA expression 18486", ylab="log10 TPM", xlab="Refseq Gene")
points(sort(log10(refPeakandRNA_noPeakw_withO_TPM$TPM), decreasing = T), col="Red")
legend("topright", legend=c("Genes wth Peak", "Genes without Peak"), col=c("black", "red"),pch=19)

Plot this as distributions.

comp_RNAtpm=ggplot(refPeakandRNA_withO_TPM, aes(x=log10(TPM))) + geom_histogram(binwidth=.5, alpha=.5) +geom_histogram(data = refPeakandRNA_noPeakw_withO_TPM, aes(x=log10(TPM)), fill="Red", alpha=.5, binwidth=.5) + labs(title="Comparing RNA expression for genes with a PAS vs no PAS") + annotate("text", x=-8, y=3000, col="Red", label="Genes without PAS") + annotate("text", x=-8.1, y=2700, col="Black", label="Genes with PAS") + geom_rect(linetype=1, xmin=-10, xmax=-6, ymin=2500, ymax=3200, color="Black", alpha=0)
comp_RNAtpm

Session information

sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS Sierra 10.12.6

Matrix products: default
BLAS: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRblas.0.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
 [1] bindrcpp_0.2.2  tximport_1.8.0  cowplot_0.9.3   reshape2_1.4.3 
 [5] workflowr_1.1.1 forcats_0.3.0   stringr_1.3.1   dplyr_0.7.6    
 [9] purrr_0.2.5     readr_1.1.1     tidyr_0.8.1     tibble_1.4.2   
[13] ggplot2_3.0.0   tidyverse_1.2.1

loaded via a namespace (and not attached):
 [1] tidyselect_0.2.4   haven_1.1.2        lattice_0.20-35   
 [4] colorspace_1.3-2   htmltools_0.3.6    yaml_2.2.0        
 [7] rlang_0.2.2        R.oo_1.22.0        pillar_1.3.0      
[10] glue_1.3.0         withr_2.1.2        R.utils_2.7.0     
[13] RColorBrewer_1.1-2 modelr_0.1.2       readxl_1.1.0      
[16] bindr_0.1.1        plyr_1.8.4         munsell_0.5.0     
[19] gtable_0.2.0       cellranger_1.1.0   rvest_0.3.2       
[22] R.methodsS3_1.7.1  evaluate_0.11      labeling_0.3      
[25] knitr_1.20         broom_0.5.0        Rcpp_0.12.18      
[28] scales_1.0.0       backports_1.1.2    jsonlite_1.5      
[31] hms_0.4.2          digest_0.6.16      stringi_1.2.4     
[34] grid_3.5.1         rprojroot_1.3-2    cli_1.0.0         
[37] tools_3.5.1        magrittr_1.5       lazyeval_0.2.1    
[40] crayon_1.3.4       whisker_0.3-2      pkgconfig_2.0.2   
[43] xml2_1.2.0         lubridate_1.7.4    assertthat_0.2.0  
[46] rmarkdown_1.10     httr_1.3.1         rstudioapi_0.7    
[49] R6_2.2.2           nlme_3.1-137       git2r_0.23.0      
[52] compiler_3.5.1    



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