Questions tagged [graphs]

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Plant signaling pathway interconnections

I'm sorry for having such a juvenile question, but I'm still new in bioinformatics, and I was wondering whether there is any tool able to perform the task I'm dealing with now. Here is a short ...
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11 views

Can you style network visualizations of directed graphs using NETWULF?

I want to draw directed graphs using networkx, followed by manual tuning of the visualization with the use of NETWOLF. Here is the example of a network. ...
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35 views

In Pygraphviz, How can I assign edge colors according to edge weights?

I am now drawing a weighted directed graph using Pygraphviz. The adjacency matrix A of the weighted directed graph is ...
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1answer
29 views

Barplot without alphabetizing x-axis

I'm inputting a .csv file and then plotting a barplot based on the colnames but when I go plot the order the names are being alphabetized rather than get the order that is in the .csv file. How to I ...
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209 views

How to group rarefaction curves by metadata

I'm trying to generate a rarefaction curve plot from a phyloseq object. I'm using the function ggrare using rarecurve function from the vegan package: The function rarecurve allow the ploting of all ...
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1answer
84 views

How to create Beta Diversity distance boxplot

I'm trying to generate boxplot from Beta diversity boxplot between two conditions from a phyloseq object. I have a Morisita-horn distance generated by vegdist fonction : ...
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2answers
152 views

Construct the Overlap Graph of a Collection of k-mers

I am doing a course on graph algorithms in genome sequencing and the current assignment involves building an overlap graph from a bunch of k-mers. Formally the problem is as follows: Input: A ...
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37 views

How to plot a graph of Linkage disequilibrium with limited information

I have a snp information in an excel file and I used SNPstat to do some analysis. But I also need a plot of LD for these snps. But my file is not formatted as the most programs required (.ped, hapmap, ...
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18 views

What are good resources to learn the basics of graph theory

I just spent half a day "debugging" a script that tried to get the betweenness centrality of a weighted graph with negative weights. However the package I used for that julia's ...
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1answer
87 views

Are there open-sourced graph-based variant callers?

I would like to compare GATK with graph-based variant callers. I have seen the Fast and accurate genomic analyses using genome graphs paper from SevenBridges and the paragraph tool by Illumina, though ...