Author Archives: Darby Kammeraad

About Darby Kammeraad

Darby Kammeraad is the Director of Field Application Services at Golden Helix, joining the team in April of 2017. Darby graduated in 2016 with a master’s degree in Plant Sciences from Montana State University, where he also received his bachelor’s degree in Plant Biotechnology. Darby works on customer support and training. When not in the office, Darby is learning how to play guitar, hunting, fishing, snowboarding, traveling or working on a new recipe in the kitchen.

Match Gene List algorithm not just for genes

         December 17, 2015

The most common use of the VarSeq Match Gene List algorithm of course is to determine if the variants in your data set are contained within your genes of interest. As an example of this, say you are working with a whole exome trio and only want to consider those variants that are contained within the 56 genes recommended by… Read more »

Visualizing Meta-Analysis results with a Forest Plot

         December 10, 2015

We have just released SVS version 8.4.2, and included in the release is a new script for visualizing Meta-Analysis results with a Forest Plot. You can find full details on all the new and updated features included with the update in our Release Notes. Release Notes from all our software products can be found on our Support Bulletin web page… Read more »

Tumor-normal demo project comes to VarSeq

         December 1, 2015
VarSeq

With the release of VarSeq 1.3.1 we have included a new demo project to showcase a single tumor-normal pair analysis workflow. The project can be accessed through VarSeq and VarSeq Viewer by going to File > Open Example Projects > Example Tumor-Normal Pair Analysis. This project contains an exome pair (Normal-N990005 and Tumor-T990005) from the Gastric Cancer study Exome sequencing of… Read more »

New and Updated Annotation Tracks Now Available!

         June 11, 2015

In recent months we have been updating our public annotation library to include the most recent versions of existing sources as well as include new sources. Each of these annotation sources are compatible with our three major products (SVS, GenomeBrowse and VarSeq) and can be used for visualization, annotation and filtering. NHLBI ESP6500SI-V2-SSA137 Exomes Variant Frequencies 0.0.30, GHI Annotations are… Read more »

Two New Regression Scripts

         May 29, 2014

We are excited to let you know about two new scripts to aid in Numeric Regression analysis. Don’t forget about the Technical Support Bulletins which keep you up-to-date on all the latest script news. You can stream this feed via an RSS reader, receive email updates, or see the latest on the SVS splash screen. Linear and Logistic Regression with… Read more »

Checking Relatedness and/or Inbreeding in Samples as a Quality Assurance Measure

         February 10, 2011
James' whiteboard with IBD calculations

Almost every statistic that is used for significance testing in scientific research comes with a set of assumptions. If the test is applied to data that does not meet those assumptions, then the results of the test may not be valid. The statistics commonly used in genome-wide association studies (GWAS), such as the Fisher’s Exact Test or the Chi-Square Test,… Read more »