statutils

Project.toml

@@ -1,7 +1,7 @@
 name = "MetidaBase"
 uuid = "075456b7-4006-432f-9324-2f8453996c49"
 authors = ["PharmCat <[email protected]> and contributors"]
-version = "0.3.1"
+version = "0.3.2"
 
 [deps]
 #StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"

src/types.jl

@@ -220,7 +220,7 @@ end
 function subset(d::DataSet, sort::Dict)
     inds = findall(x-> sort ⊆ x.id, d.ds)
     if length(inds) > 0 return DataSet(d.ds[inds]) end
-    nothing
+    []
 end
 ################################################################################
 # metida_table from DataSet{AbstractIDResult}

src/utils.jl

@@ -19,3 +19,42 @@ end
 
 isnanormissing(x::Number) = isnan(x)
 isnanormissing(x::Missing) = true
+
+
+# STATISTICS
+
+
+#CV2se
+"""
+    sdfromcv(cv::Real)::AbstractFloat
+
+LnSD from CV.
+"""
+function sdfromcv(cv)
+    return sqrt(varfromcv(cv))
+end
+"""
+    varfromcv(cv::Real)::AbstractFloat
+
+LnVariance from CV.
+"""
+function varfromcv(cv)
+     return log(1+cv^2)
+end
+"""
+    cvfromvar(σ²::Real)::AbstractFloat
+
+CV from variance.
+"""
+function cvfromvar(σ²)
+    return sqrt(exp(σ²)-1)
+end
+#CV2se
+"""
+    cvfromsd(σ::Real)::AbstractFloat
+
+CV from variance.
+"""
+function cvfromsd(σ)
+    return sqrt(exp(σ^2)-1)
+end