TransOmics™ Informatics for Metabolomics and Lipidomics FAQs
Compatibility
What instrument types, data types and file formats are supported?
Which search engines and databases are supported for identifying compounds?
Analysis procedures
Fundamental concepts in the TransOmics™ Informatics workflow
What is an ion intensity map?
How can I assess the quality of my chromatography?
How do I remove a run from my experiment?
Should I remove runs that have been imported with warnings?
Which run should I use as my alignment reference?
Why is alignment so important?
How does alignment work in TransOmics™ Informatics?
How can I correct alignment errors?
How do “same ion” outlines work in TransOmics™ Informatics?
Which runs should I use for peak picking?
How do my experiment designs affect analysis?
How are compound ions grouped into compounds?
How do I use the Review Deconvolution screen?
How can I show only the interesting compounds?
How can I validate my compounds?
Measurement and statistics
How does normalistion work in TransOmics™ Informatics?
Do I need to filter out MS1 data to control for outliers and for normalisation to work?
How do I perform normalisation using an external standard?
How are the ion measurements calculated?
How are the compound measurements calculated?
Why are compound measurements stabilised?
What does Principal Component Analysis (PCA) show?
What does the dendrogram show, or what is correlation analysis?
What are p-values?
What are q-values, and why are they important?
What is power analysis?
Tips and tricks
How can I send my experiment to a colleague or collaborator?
Using wildcards to filter runs and compounds