Box and whisker plots show the mean and variance for two or more groups. The plot can have jitters to show individual data points as well as it can highlight the outliers. A nice read about these plots can be found here in this Nature Method’s note. The journal even accepted an online B/W plot […]
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How to export a ggplot object to a editable powerpoint file ?
Microsoft powerpoint is a versatile software for making illustrations for the academic literature. It has easy to use and powerful shape editing features which allow making useful and attractive graphics. Data visualization software often export the plots in JPEG, PDF or TIFF formats . These formats are non-editable in the powerpoint software but an user […]
Local installation of SpectConnect to process more than 100 GCMS data files for metabolomics
Background : Converting individual gas/liquid chromatography mass spectrometry data files into a data matrix of peaks/samples/intensity is an essential step in a standardized metabolomics workflow. For GCMS data files, Automated mass spectral deconvolution and identification system (AMDIS) offers a free solution for extracting peak list for raw data files. Data files can be in native […]
How to annotate product ions with substructures in a high resolution MS2 spectra of a small molecule ?
Background : Once you have processed LCMS data files with the MS-DIAL software, you have a list of several thousand unknown peaks with MS/MS spectra. A candidate list of probable compounds can be generated using the mass to charge ratio and the retention time for those peaks. The next task is to match the predicted […]
How to use RStudio and Github for version control
Objective: Integrate Github and RStudio to maintain an R code project Setup your Github account : Github is the repository for your code. You can share the scripts written by you with everyone. Read more about it – https://en.wikipedia.org/wiki/GitHub . Register at Github for an account – https://github.com/ Follow these steps to integrate github with rstudio. Git Installation: […]
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