Collective2 Explorer
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Deedle
Addressing Class
Addressing.address Class
Addressing.AddressModule Class
Addressing.IAddressingScheme Interface
Addressing.IAddressOperations Interface
Addressing.LinearAddress Class
Addressing.LinearAddressingScheme Class
Aggregation Class
Aggregation(K) Class
Aggregation(K).ChunkSize Class
Aggregation(K).ChunkWhile Class
Aggregation(K).Tags Class
Aggregation(K).WindowSize Class
Aggregation(K).WindowWhile Class
Boundary Enumeration
ColumnSeries(TRowKey, TColumnKey) Class
ConversionKind Enumeration
DataSegment Class
DataSegment(T) Class
DataSegmentKind Class
DataSegmentKind.Tags Class
DelayedSeries Class
Direction Enumeration
EnumerableExtensions Class
F# Frame extensions Class
F# Index extensions Class
F# Index extensions.Index Class
F# IndexBuilder implementation Class
F# IndexBuilder implementation.IndexBuilder Class
F# Series extensions Class
F# Series extensions.Series Class
F# Vector extensions Class
F# Vector extensions (core) Class
F# Vector extensions.Vector Class
F# VectorBuilder implementation Class
F# VectorBuilder implementation.VectorBuilder Class
Frame Class
Frame(TRowKey, TColumnKey) Class
FrameBuilder Class
FrameBuilder.Columns(R, C) Class
FrameBuilder.Rows(R, C) Class
FrameData Class
FrameExtensions Class
FrameModule Class
FrameUtils Class
ICustomLookup(K) Interface
IFrame Interface
IFrameOperation(V) Interface
Index Class
IRangeRestriction(TAddress) Interface
ISeries(K) Interface
IVector Interface
IVector(T) Interface
IVectorLocation Interface
JoinKind Enumeration
KeyValue Class
Lookup Enumeration
MissingValueException Class
MultiKeyExtensions Class
ObjectSeries(K) Class
OptionalValue Class
OptionalValue(T) Structure
OptionalValueExtensions Class
OptionalValueModule Class
Pair Class
RangeRestriction Class
RangeRestriction(TAddress) Class
RangeRestriction(TAddress).Custom Class
RangeRestriction(TAddress).End Class
RangeRestriction(TAddress).Fixed Class
RangeRestriction(TAddress).Start Class
RangeRestriction(TAddress).Tags Class
RowSeries(TRowKey, TColumnKey) Class
Series(K, V) Class
SeriesBuilder(K) Class
SeriesBuilder(K, V) Class
SeriesExtensions Class
SeriesModule Class
SeriesModule.Implementation Class
SeriesStatsExtensions Class
Stats Class
TryValue(T) Class
TryValue(T).Error Class
TryValue(T).Success Class
TryValue(T).Tags Class
UnionBehavior Enumeration
VectorCallSite(R) Interface
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Lookup Enumeration
Represents different behaviors of key lookup in series. For unordered series, the only available option is `Lookup.Exact` which finds the exact key - methods fail or return missing value if the key is not available in the index. For ordered series `Lookup.Greater` finds the first greater key (e.g. later date) with a value. `Lookup.Smaller` searches for the first smaller key. The options `Lookup.ExactOrGreater` and `Lookup.ExactOrSmaller` finds the exact key (if it is present) and otherwise search for the nearest larger or smaller key, respectively. [category:Parameters and results of various operations]

Namespace:  Deedle
Assembly:  Deedle (in Deedle.dll) Version: 1.2
Syntax
C#
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[SerializableAttribute]
[FlagsAttribute]
public enum Lookup
Members
  Member nameDescription
Exact Lookup a value associated with the exact specified key. If the key is not available, then fail or return missing value.
ExactOrGreater Lookup a value associated with the specified key or with the nearest greater key that has a value available. Fails (or returns missing value) only when the specified key is greater than all available keys.
ExactOrSmaller Lookup a value associated with the specified key or with the nearest smaller key that has a value available. Fails (or returns missing value) only when the specified key is smaller than all available keys.
Greater Lookup a value associated with a key that is greater than the specified one. Fails (or returns missing value) when the specified key is greater or equal to the greatest available key.
Smaller Lookup a value associated with a key that is smaller than the specified one. Fails (or returns missing value) when the specified key is smaller or equal to the smallest available key.
See Also