UCount
1
stzDataSet
o1 = new stzDataSet([ 2, 4, 4, 5, 7, 9, 12, 25 ]) ? o1.UCount() #--> 7composed from the signature, run for this page · stzDataSet
UiState
2
stzDiagram · stzMathDiagram
o1 = new stzMathDiagram(StzGraphDomain(), new stzMathSubstance(StzGraphDomain()), StzCurvedGraphStyle()) ? o1.UiState() #--> idlecomposed from the signature, run for this page · stzMathDiagram
Uncovered
1
stzGeoAtlas
cJ = '{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"name":"A"},"geometry":{"type":"Polygon","coordinates":[[[0,0],[4,0],[4,4],[0,4],[0,0]]]}}]}'
oF = StzGeoFeaturesFromJson(cJ)
o1 = StzGeoAtlas(oF)
? @@( o1.Uncovered([ 2, 3 ]) )
#--> [ "A" ]composed from the signature, run for this page · stzGeoAtlasUncoveredPeriodsPerLane
1
stzListOfTimeLines
o1 = new stzListOfTimeLines([ :Lanes = [ "single" ], :From = "2026-06-01 00:00:00", :To = "2026-06-30 23:59:59" ]) ? @@( o1.UncoveredPeriodsPerLane() ) #--> [ [ [ "lane", "SINGLE" ], [ "uncovered", [ ] ] ] ]composed from the signature, run for this page · stzListOfTimeLines
UnderstoodAll
1
stzNaturalEngine
o1 = new stzNaturalEngine("en", "", [], "")
? o1.UnderstoodAll()
#--> 1composed from the signature, run for this page · stzNaturalEngineUndirectedNodeDensity
1
stzGraph
o1 = new stzGraph("g")
o1.AddNode("A") o1.AddNode("B") o1.AddNode("C")
o1.AddNode("D")
o1.AddEdge("A", "B") o1.AddEdge("A", "C")
o1.AddEdge("B", "D")
? o1.UndirectedNodeDensity()
#--> 0.50composed from the signature, run for this page · stzGraphUndirectedNodeDensity100
1
stzGraph
o1 = new stzGraph("g")
o1.AddNode("A") o1.AddNode("B") o1.AddNode("C")
o1.AddNode("D")
o1.AddEdge("A", "B") o1.AddEdge("A", "C")
o1.AddEdge("B", "D")
? o1.UndirectedNodeDensity100()
#--> 50composed from the signature, run for this page · stzGraphUndo
2
stzDiagram · stzString
o1 = new stzDiagram("flow")
o1.AddNode("A") o1.AddNode("B") o1.AddNode("C")
o1.AddNode("D")
o1.AddEdge("A", "B") o1.AddEdge("A", "C")
o1.AddEdge("B", "D")
? o1.Undo()
#--> 0composed from the signature, run for this page · stzDiagramUnicode
3
stzNumber · stzString · stzStringChar
# 'I' is codepoint 73
? Q("I").Unicode()
#--> 73library test · stzStringUnicodeAsString
1
stzStringChar
o1 = new stzStringChar("a")
? o1.UnicodeAsString()
#--> 97composed from the signature, run for this page · stzStringCharUnicodeCategory
1
stzStringChar
o1 = new stzStringChar("a")
? o1.UnicodeCategory()
#--> letter_lowercasecomposed from the signature, run for this page · stzStringCharUnicodeCategoryNumber
1
stzStringChar
o1 = new stzStringChar("a")
? o1.UnicodeCategoryNumber()
#--> 2composed from the signature, run for this page · stzStringCharUnicodeCompareWith
1
stzString
o1 = new stzString("banana split")
? o1.UnicodeCompareWith("an")
#--> greatercomposed from the signature, run for this page · stzStringUnicodeCompareWithInSystemLocale
1
stzString
# RESERVE beats reserve on the tie-break
? Q("RÉSERVÉ").UnicodeCompareWithInSystemLocale("réservé")
#--> greaterlibrary test · stzStringUnicodeDirection
1
stzStringChar
o1 = new stzStringChar("a")
? o1.UnicodeDirection()
#--> lefttorightcomposed from the signature, run for this page · stzStringCharUnicodeDirectionNumber
1
stzStringChar
o1 = new stzStringChar("a")
? o1.UnicodeDirectionNumber()
#--> 0composed from the signature, run for this page · stzStringCharUnicodeOfChar
1
stzString
o1 = new stzString("banana split")
? o1.UnicodeOfChar("a")
#--> 97composed from the signature, run for this page · stzStringUnicodeOfMirrored
1
stzStringChar
o1 = new stzStringChar("a")
? o1.UnicodeOfMirrored()
#--> 97composed from the signature, run for this page · stzStringCharUnicodeOfNthByte
1
stzListOfBytes
o1 = new stzListOfBytes("Hello, World!")
? o1.UnicodeOfNthByte(2)
#--> 101composed from the signature, run for this page · stzListOfBytesUnicodePerCharQ
1
stzQuestion
? @@( WhatQ().TheQ().UnicodePerCharQ().Of("Softanza") )
#--> [ [ "S", 83 ], [ "o", 111 ], [ "f", 102 ], [ "t", 116 ], [ "a", 97 ], [ "n", 110 ], [ "z", 122 ], [ "a", 97 ] ]composed from the signature, run for this page · stzQuestionUnicodeQ
1
stzQuestion
? @@( WhatQ().TheQ().UnicodeQ().Of("Softanza") )
#--> [ 83, 111, 102, 116, 97, 110, 122, 97 ]composed from the signature, run for this page · stzQuestionUnicodes
6
stzList · stzListOfBytes · stzNumber · stzString · stzStringCharList · stzStringEncoderanother name of Bytecodes
UnicodesAndChars
1
stzStringUnicodeList
o1 = new stzStringUnicodeList([ 97, 98, 99 ]) ? @@( o1.UnicodesAndChars() ) #--> [ [ 97, "a" ], [ 98, "b" ], [ 99, "c" ] ]composed from the signature, run for this page · stzStringUnicodeList
UnicodeScript
1
stzStringChar
o1 = new stzStringChar("a")
? o1.UnicodeScript()
#--> latincomposed from the signature, run for this page · stzStringCharUnicodesOfCharsContaining
1
stzUnicodeData
o1 = new stzUnicodeData()
? @@( o1.UnicodesOfCharsContaining("CHECK MARK") )
#--> [ 9083, 9989, 10003, 10004, 65794, 128504, 129969 ]composed from the signature, run for this page · stzUnicodeDataUnicodesPerCharQ
1
stzQuestion
? @@( WhatQ().TheQ().UnicodesPerCharQ().Of("Softanza") )
#--> [ [ "S", 83 ], [ "o", 111 ], [ "f", 102 ], [ "t", 116 ], [ "a", 97 ], [ "n", 110 ], [ "z", 122 ], [ "a", 97 ] ]composed from the signature, run for this page · stzQuestionUnicodesQ
1
stzQuestion
? @@( WhatQ().TheQ().UnicodesQ().Of("Softanza") )
#--> [ 83, 111, 102, 116, 97, 110, 122, 97 ]composed from the signature, run for this page · stzQuestionUnion
1
stzListComparator
o1 = new stzListComparator(["a", "b", "c", "d"]) ? @@( o1.Union([ 2, 3 ]) ) #--> [ "a", "b", "c", "d", 2, 3 ]composed from the signature, run for this page · stzListComparator
UnionWith
3
stzList · stzListMerger · stzSet
o1 = new stzList([ 5, 3, 8, 3, 1 ]) ? @@( o1.UnionWith([ 2, 3 ]) ) #--> [ 5, 3, 8, 1, 2 ]composed from the signature, run for this page · stzList
Unique
5
stzList · stzListDuplicates · stzStringCharList · stzStringList · stzStringUnicodeListanother name of UniqueItems · WithoutDuplication
UniqueChars
4
stzString · stzStringDuplicates · stzStringGetter · stzStringWalker
o1 = new stzString("banana split")
? @@( o1.UniqueChars() )
#--> [ "b", "a", "n", " ", "s", "p", "l", "i", "t" ]composed from the signature, run for this page · stzStringUniqueCharsAndUnicodes
1
stzString
o1 = new stzString("banana split")
? @@( o1.UniqueCharsAndUnicodes() )
#--> [ [ "b", 98 ], [ "a", 97 ], [ "n", 110 ], [ " ", 32 ], [ "s", 115 ], [ "p", 112 ], [ "l", 108 ], [ "i", 105 ], [ "t", 116 ] ]composed from the signature, run for this page · stzStringUniqueCharsAndUnicodesQ
1
stzQuestion
? @@( WhatQ().TheQ().UniqueCharsAndUnicodesQ().Of("Softanza") )
#--> [ [ "S", 83 ], [ "o", 111 ], [ "f", 102 ], [ "t", 116 ], [ "a", 97 ], [ "n", 110 ], [ "z", 122 ] ]composed from the signature, run for this page · stzQuestionUniqueCharsQ
1
stzQuestion
? @@( WhatQ().TheQ().UniqueCharsQ().Of("Softanza") )
#--> [ "S", "o", "f", "t", "a", "n", "z" ]composed from the signature, run for this page · stzQuestionUniqueCount
1
stzDataSet
o1 = new stzDataSet([ 2, 4, 4, 5, 7, 9, 12, 25 ]) ? o1.UniqueCount() #--> 7composed from the signature, run for this page · stzDataSet
UniqueItems
4
stzList · stzListDuplicates · stzListGetter · stzStringList
o1 = new stzList([ 5, 3, 8, 3, 1 ]) ? @@( o1.UniqueItems() ) #--> [ 5, 3, 8, 1 ]composed from the signature, run for this page · stzList
UniqueLines
2
stzString · stzStringLines
o1 = new stzString("banana split")
? @@( o1.UniqueLines() )
#--> [ "banana split" ]composed from the signature, run for this page · stzStringUniqueTypes
2
stzList · stzListOfEntities
? @@( StzListQ([ "a", 1, "b", 2, "c", 3 ]).Types() ) + NL ? StzListQ([ "a", 1, "b", 2, "c", 3 ]).UniqueTypes() #--> [ "STRING", "NUMBER", "STRING", "NUMBER", "STRING", "NUMBER" ] #--> STRING #--> NUMBERlibrary test · stzList
UniqueValues
2
stzDataSet · stzHashList
o1 = new stzDataSet([ 2, 4, 4, 5, 7, 9, 12, 25 ]) ? @@( o1.UVals() ) #--> [ 2, 4, 5, 7, 9, 12, 25 ]composed from the signature, run for this page · stzDataSet
UniqueWords
3
stzString · stzStringText · stzStringWords
o1 = new stzString("banana split")
? @@( o1.UniqueWords() )
#--> [ "banana", "split" ]composed from the signature, run for this page · stzStringUniqueWordsQ
1
stzQuestion
? @@( WhatQ().TheQ().UniqueWordsQ().Of("Softanza") )
#--> [ "Softanza" ]composed from the signature, run for this page · stzQuestionUnitsInBillions
1
stzNumber
o1 = new stzNumber(12) ? o1.UnitsInBillions() #--> 0composed from the signature, run for this page · stzNumber
UnitsInBillionsQ
1
stzQuestion
? WhatQ().TheQ().UnitsInBillionsQ().Of(12) #--> 0composed from the signature, run for this page · stzQuestion
UnitsInHundreds
1
stzNumber
o1 = new stzNumber(12) ? o1.UnitsInHundreds() #--> 2composed from the signature, run for this page · stzNumber
UnitsInHundredsQ
1
stzQuestion
? WhatQ().TheQ().UnitsInHundredsQ().Of(12) #--> 2composed from the signature, run for this page · stzQuestion
UnitsInMillions
1
stzNumber
o1 = new stzNumber(12) ? o1.UnitsInMillions() #--> 0composed from the signature, run for this page · stzNumber
UnitsInMillionsQ
1
stzQuestion
? WhatQ().TheQ().UnitsInMillionsQ().Of(12) #--> 0composed from the signature, run for this page · stzQuestion
UnitsInThousands
1
stzNumber
o1 = new stzNumber(12) ? o1.UnitsInThousands() #--> 0composed from the signature, run for this page · stzNumber
UnitsInThousandsQ
1
stzQuestion
? WhatQ().TheQ().UnitsInThousandsQ().Of(12) #--> 0composed from the signature, run for this page · stzQuestion
UnitsInTrillions
1
stzNumber
o1 = new stzNumber(12) ? o1.UnitsInTrillions() #--> 0composed from the signature, run for this page · stzNumber
UnitsInTrillionsQ
1
stzQuestion
? WhatQ().TheQ().UnitsInTrillionsQ().Of(12) #--> 0composed from the signature, run for this page · stzQuestion
UnitsQ
1
stzQuestion
? WhatQ().TheQ().UnitsQ().Of(12) #--> 2composed from the signature, run for this page · stzQuestion
Unresolved
2
stzGeoAtlas · stzNaturalEngine
cJ = '{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"name":"A"},"geometry":{"type":"Polygon","coordinates":[[[0,0],[4,0],[4,4],[0,4],[0,0]]]}}]}'
oF = StzGeoFeaturesFromJson(cJ)
o1 = StzGeoAtlas(oF)
? @@( o1.Unresolved([ 2, 3 ]) )
#--> [ "2", "3" ]composed from the signature, run for this page · stzGeoAtlasUnspacified
1
stzString
# "r in g " -> "r in g"
? Q("r in g ").Unspacified()
# " r in g " -> "r in g"
? Q(" r in g ").Unspacified()
#--> r in g
#--> r in glibrary test · stzStringUnspacifiedQ
1
stzQuestion
? WhatQ().TheQ().UnspacifiedQ().Of("Softanza")
#--> Softanzacomposed from the signature, run for this page · stzQuestionUnspacify
1
stzString
o1 = new stzString(" so ftan za ")
o1.Unspacify()
# edges trimmed, the 3-space run collapsed
? o1.Content()
#--> so ftan zalibrary test · stzStringUpdate
20
stzCCode · stzChainOfValue · stzHashList · stzList · stzListFlattener · stzListMerger · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzListOfSections · stzListSorter · stzNumber · stzPair · stzSet · stzSetOfSections · stzString · stzStringChar · stzStringCharList · stzStringList · stzStringText
o1 = new stzList("A":"E")
o1.Update([])
? @@( o1.Content() )
#--> [ ]library test · stzListUpdateAt
1
stzList
o1 = new stzList([ 5, 3, 8, 3, 1 ]) o1.UpdateAt(2, 5) ? @@( o1.Content() ) #--> [ 5, 5, 8, 3, 1 ]composed from the signature, run for this page · stzList
UpdateBy
10
stzCCode · stzChainOfValue · stzHashList · stzList · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzNumber · stzSet · stzStringChar
o1 = new stzNumber(12) o1.UpdateBy(3) ? o1.Value() #--> 3composed from the signature, run for this page · stzNumber
Updated
10
stzCCode · stzChainOfValue · stzHashList · stzList · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzNumber · stzSet · stzStringChar
o1 = new stzNumber(12) ? o1.Updated(3) #--> 3composed from the signature, run for this page · stzNumber
UpdatedBy
10
stzCCode · stzChainOfValue · stzHashList · stzList · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzNumber · stzSet · stzStringCharanother name of Updated
UpdatedUsing
9
stzCCode · stzChainOfValue · stzHashList · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzNumber · stzSet · stzStringCharanother name of Updated
UpdatedWith
10
stzCCode · stzChainOfValue · stzHashList · stzList · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzNumber · stzSet · stzStringCharanother name of Updated
UpdateFirstPair
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdateFirstPair([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 2, 3 ], [ 2, "b" ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdateFirstPairWith
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdateFirstPairWith([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 2, 3 ], [ 2, "b" ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdateNthKey
1
stzHashList
o1 = new stzHashList([ :name = "Aya", :age = 30, :city = "Niamey" ]) o1.UpdateNthKey(2, "a") ? @@( o1.Content() ) #--> [ [ "name", "Aya" ], [ "a", 30 ], [ "city", "Niamey" ] ]composed from the signature, run for this page · stzHashList
UpdateNthPair
2
stzHashList · stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdateNthPair(2, [ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdateNthPairWith
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdateNthPairWith(2, [ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdateNthValue
1
stzHashList
o1 = new stzHashList([ :name = "Aya", :age = 30, :city = "Niamey" ]) o1.UpdateNthValue(2, "Aya") ? @@( o1.Content() ) #--> [ [ "name", "Aya" ], [ "age", "Aya" ], [ "city", "Niamey" ] ]composed from the signature, run for this page · stzHashList
UpdatePair
2
stzHashList · stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdatePair(2, [ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdatePair1
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdatePair1([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 2, 3 ], [ 2, "b" ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdatePair1With
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdatePair1With([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 2, 3 ], [ 2, "b" ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdatePair2
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdatePair2([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdatePair2With
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdatePair2With([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdatePairN
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdatePairN(2, [ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdatePairWith
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdatePairWith(2, [ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdateSecondPair
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdateSecondPair([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdateSecondPairWith
1
stzListOfPairs
o1 = new stzListOfPairs([ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]) o1.UpdateSecondPairWith([ 2, 3 ]) ? @@( o1.Content() ) #--> [ [ 1, "a" ], [ 2, 3 ], [ 3, "c" ] ]composed from the signature, run for this page · stzListOfPairs
UpdateUsing
9
stzCCode · stzChainOfValue · stzHashList · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzNumber · stzSet · stzStringChar
o1 = new stzNumber(12) o1.UpdateUsing(3) ? o1.Value() #--> 3composed from the signature, run for this page · stzNumber
UpdateWith
20
stzCCode · stzChainOfValue · stzHashList · stzList · stzListDuplicates · stzListFlattener · stzListMerger · stzListOfBytes · stzListOfLists · stzListOfNumbers · stzListOfPairs · stzListOfSections · stzListSorter · stzNumber · stzPair · stzSet · stzSetOfSections · stzString · stzStringChar · stzStringText
o1 = new stzString("999999999999")
o1.UpdateWith("999 999 999.999")
# the content becomes the new value
? o1.Content()
#--> 999 999 999.999library test · stzStringUppercase
8
stzListOfBytes · stzLocale · stzString · stzStringCaseChanger · stzStringChar · stzStringCharList · stzStringText · stzYielderanother name of StringUppercased
Uppercased
12
stzItemCS · stzList · stzListOfBytes · stzListStringify · stzOccurrences · stzString · stzStringCaseChanger · stzStringChar · stzStringCharList · stzStringFormatter · stzStringList · stzStringSubStringCSanother name of Uppercase
UppercasedInLocale
2
stzString · stzStringLocale
o1 = new stzStringLocale("fr_FR")
? o1.UppercasedInLocale("an")
#--> FR_FRcomposed from the signature, run for this page · stzStringLocaleUppercasedQ
1
stzQuestion
? WhatQ().TheQ().UppercasedQ().Of("Softanza")
#--> SOFTANZAcomposed from the signature, run for this page · stzQuestionUppercaseSubString
1
stzString
o1 = new stzString("Thank you Irwin Rodriguez!")
o1.UppercaseSubString("Irwin")
o1.AddXT( 2Hearts(), :Around = "IRWIN" )
# Irwin is uppercased and hearted
? o1.Content()
#--> Thank you ♥♥IRWIN♥♥ Rodriguez!library test · stzStringUses
2
stzMaterialGraph · stzSecurityGraph
o1 = new stzMaterialGraph() o1.TakesColor(:warm) o1.TakesColor(:cool) o1.TakesScalar(:sharp) o1.AddNode(:final, [ :Op = :Mix, :In = [ :shaded, :warm, :rim ] ]) o1.AddNode(:rim, [ :Op = :Fresnel, :In = [ :sharp ] ]) o1.AddNode(:shaded, [ :Op = :Multiply, :In = [ :cool, :lit ] ]) o1.AddNode(:lit, [ :Op = :Lit, :In = [ 0.25 ] ]) o1.Emits(:final) o1.Compile() ? @@( o1.Uses() ) #--> [ [ "final", 0 ], [ "rim", 1 ], [ "shaded", 1 ], [ "lit", 1 ] ]composed from the signature, run for this page · stzMaterialGraph
UsesPCA
2
UsesSampleVariance
1
stzPCA
o1 = new stzPCA([ [1,2] ]) ? o1.UsesSampleVariance() #--> 1composed from the signature, run for this page · stzPCA