Publications by Colleen Petersen
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Add the necessary code to make this script function. Preliminaries Load packages library(seqinr) library(rentrez) library(compbio4all) library(Biostrings) ## Loading required package: BiocGenerics ## Loading required package: parallel ## ## Attaching package: 'BiocGenerics' ## The following objects are masked from 'package:parallel': ## ...
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GABARA1 Gene- Downloaded FASTA Document
This is a modification of “DNA Sequence Statistics” from Avril Coghlan’s A little book of R for bioinformatics.. Most of the text and code was originally written by Dr. Coghlan and distributed under the Creative Commons 3.0 license. NOTE: There is some redundancy in this current draft that needs to be eliminated. Functions library() help...
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Default working directory Open up this .Rmd file in RStudio. In the code chunk below type getwd() and run it. “wd” means “working directory”, or where R will currently save files if you tell it to save anything. # Get the current working directory getwd() ## [1] "C:/Users/peter/University of Pittsburgh/compbio2021 - cmp171" Copy and past...
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Pairwise Alignments and Multiple Sequence Alignments of Shroom Gene in R
A complete bioinformatics workflow in R By: Nathan L. Brouwer “Worked example: Building a phylogeny in R” Introduction Phylogenies can be used to determine relationships between species and how they have evolved over time. Through phylogenetics, gene sequences are analyzed to determine their alignment and thus their similarity, so that spec...
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Sequence dotplots in R By: Avril Coghlan. Adapted, edited and expanded: Nathan Brouwer under the Creative Commons 3.0 Attribution License (CC BY 3.0). NOTE: I’ve added some new material that is rather terse and lacks explication. Good sources of more info: https://omicstutorials.com/interpreting-dot-plot-bioinformatics-with-an-example/ http://r...
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Pairwise Alignment with Needle Algorithm- Homo sapiens vs. Bos taurus
Global proteins aligments in R By: Avril Coghlan. Adapted, edited and expanded: Nathan Brouwer under the Creative Commons 3.0 Attribution License (CC BY 3.0). Preliminaries library(compbio4all) library(Biostrings) Download sequences As we did in the previous lesson on dotplots, we’ll look at two sequences. # Download ## sequence 1: Q9CD83 ...
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gpubr - allometric data Allometric data - classic case of regression, using logs, using non-linear model too library(compbio4all) Vocab wrapper ggplot2 ggpubr $ operator smoother continous data categorical data Learning objectives Know what a wrapper is Know the relationship between ggplot2 and ggpubr Be able to run code that makes graphs wit...
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