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Welcome to VSNi blogs

    The blog title, "Reflections on a Career with Genstat" set across an image of Long Ashton Research Station circa 1992
    • Genstat, Thought Leadership

    Reflections on a Career with Genstat

    Dr. Ruth Butler's career with Genstat spans decades, from fitting non-linear curves as an MSc student to analysing...
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    The blog title - "Should I Analyse Change From Baseline, or Include Baseline as a Covariate?" - set across an image of lambs in a field.
    • Breeding / Quantitative Genetics, Design of Experiments

    Should I Analyse Change From Baseline, or Include Baseline as a Covariate?

    Both approaches account for where experimental units started before treatment, but they answer different questions and can lead...
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    Blog header for "Who Said the Breeder's Eye Doesn't Need Glasses?" by Dr. Antonio Lippolis, featuring a comic where a breeder puts on genomic-value glasses and discovers the plant she rejected has the higher GEBV.
    • Breeding / Quantitative Genetics, Plant/Agronomy

    Who Said the Breeder’s Eye Doesn’t Need Glasses?

    The breeder's eye has delivered enormous genetic progress. But heritability sets the ceiling for visual selection accuracy, and...
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    The blog title "The Multiple Comparison Problem — and a Practical Way to Deal with It" set across a navy background with curved graphs
    • Statistics and Computing

    The Multiple Comparison Problem — and a Practical Way to Deal with It

    Every hypothesis test carries a chance of producing a false positive. Run enough tests, and a spurious significant...
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    plots of crops with the blog title "Randomisation: What, Why and How?"
    • Design of Experiments

    Randomisation: What, Why and How?

    Randomisation is one of the three foundations of good experimental design, alongside blocking and replication. But what happens...
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    The blog title "How to Use ASReml-R to Estimate Breeding Values: A Step-by-Step Guide" set over an image of cows in a field
    • ASReml, Breeding / Quantitative Genetics

    How to Use ASReml-R to Estimate Breeding Values: A Step-by-Step Guide

    Estimated breeding values form the backbone of modern selection decisions, but getting from raw data to reliable EBVs...
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    A man in a lab coat holding a clipboard looking at seedlings with the blog title: The Science Still Counts: How to Protect Statistical Quality When Time (or Expertise) Is Tight
    • Statistics and Computing

    The Science Still Counts: How to Protect Statistical Quality When Time (or Expertise) Is Tight

    When deadlines tighten and expertise is limited, analysis quality shouldn't suffer. Small statistical shortcuts create long-term problems—weaker inference,...
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    The blog title "Degrees of Freedom in Agronomy Models: What They Are and Why they Matter" set across an image of a tractor in a green field.
    • Plant/Agronomy

    Degrees of Freedom in Agronomy Models: What They Are and Why They Matter

    Agronomy trials rarely mislead because fitted means are obviously wrong. More often, they mislead because the certainty implied...
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    The blog title "What's a doubly resolvable row-column design?" set across a backdrop of crops in fields
    • CycDesigN, Design of Experiments, Genstat

    What’s a Doubly Resolvable Row-Column Design?

    Doubly resolvable row-column designs control spatial variability by blocking in both the row and column directions. When paired...
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    The blog title, Statistical Interactions Explained: What They Are, How to Spot Them, and Why They Matter, set across a navy banner over an interactions plot
    • Blog

    Statistical Interactions Explained: What They Are, How to Spot Them, and Why They Matter

    In statistics, an interaction occurs when the effect of one variable depends on the level of another. Interactions...
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    The Title "reflections on using Genstat for statistical analysis" by Dr. Rob Gous across a background of pigs in a field
    • Genstat, Thought Leadership

    Reflections on Using Genstat for Statistical Analysis

    Dr. Rob Gous shares his journey with Genstat across decades of agricultural research. From early programming challenges through...
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