937a8a9481
* Add first draft material for testing * added some first test stuff in julia * add asserti error * Rework intro slides * added package * Wrap up testing slides expect demo * Smooth demo part * Add statement on tests * Remove previous python exercise file --------- Co-authored-by: behinger (s-ccs 001) <benedikt.ehinger@vis.uni-stuttgart.de>
54 lines
873 B
Julia
54 lines
873 B
Julia
#---
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using ProgressMeter
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import Base: length
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function rse_sum(x)
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s = 0
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@showprogress for k = eachindex(x)
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s = s+x[k]
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end
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return s
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end
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rse_sum(1:36) == 666
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#---
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function rse_mean(x)
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return rse_sum(x) / length(x)
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end
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rse_mean(-15:17) == 1
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#----
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function rse_std(x)
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return sqrt(rse_sum((x.-rse_mean(x)).^2)/(length(x)-1))
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end
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rse_std([1,2,3]) == 1
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#----
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function rse_tstat(x;σ = rse_std(x))
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return rse_mean(x)./ (σ / sqrt(length(x)))
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end
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rse_tstat(2:3) == 5
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#---
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struct StatResult
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x::Vector
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n::Int32
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std::Float64
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tvalue::Float64
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end
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Base.length(s::StatResult) = s.n
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StatResult(x) = StatResult(x,length(x))
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StatResult(x,n) = StatResult(x,n,rse_std(x))
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StatResult(x,n,std) = StatResult(x,n,std,rse_tstat(x;σ=std))
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StatResult([10,500.]) # <1>
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function tstat(x)
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return StatResult(length(x),rse_tstat(x))
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end
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