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tdunning committed Aug 7, 2017
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120 changes: 91 additions & 29 deletions RELEASE-NOTES.md
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Expand Up @@ -12,51 +12,113 @@ The paper continues to be updated. The algorithmic descriptions are getting reas
Bugs, fixed and known
----

#### Fixed
The following important issues are fixed in this release

[Issue #90](https://github.com/tdunning/t-digest/issues/90) Serialization for MergingDigest

[Issue #92](https://github.com/tdunning/t-digest/issues/92) Serialization for AVLTreeDigest

#### Maybe fixed
This issue has substantial progress, but lacks a definitive test to determine whether it should be closed.

[Issue 78](https://github.com/tdunning/t-digest/issues/78) Stability under merging.

#### Pushed
The following issues are pushed beyond this release

[Issue #87](https://github.com/tdunning/t-digest/issues/87) Future proof and extensible serialization

[Issue #89](https://github.com/tdunning/t-digest/issues/89) Bad handling for duplicate values in AVLTreeDigest

#### All fixed issues
Here is a complete list of issues resolved in this release:

#55
#52
#90
#92
#93
#67
#81
#75
#74
#72
#65
#60
#53
#82
#42
#40
#37
#29
#84
#76
#77
#71
#61
#58
#48
#63
#62
#47
#49
[Issue #55](https://github.com/tdunning/t-digest/issues/55) Add time
decay to t-digest

[Issue #52](https://github.com/tdunning/t-digest/issues/52) General
factory method for "fromBytes"

[Issue #90](https://github.com/tdunning/t-digest/issues/90)
Deserialization of MergingDigest BuferUnderflowException in 3.1

[Issue #92](https://github.com/tdunning/t-digest/issues/92) Error in
AVLTreeDigest.fromBytes

[Issue #93](https://github.com/tdunning/t-digest/issues/93) high
centroid frequency causes overflow - giving incorrect results

[Issue #67](https://github.com/tdunning/t-digest/issues/67) Release of
version 3.2

[Issue #81](https://github.com/tdunning/t-digest/issues/81)
AVLTreeDigest with a lot of datas : integer overflow

[Issue #75](https://github.com/tdunning/t-digest/issues/75) Adjusting
the centroid threshold values to obtain better accuracy at interesting
values

[Issue #74](https://github.com/tdunning/t-digest/issues/74) underlying
distribution : powerlaw

[Issue #72](https://github.com/tdunning/t-digest/issues/72) Inverse
quantile algorithm is non-contiguous

[Issue #65](https://github.com/tdunning/t-digest/issues/65)
totalDigest add spark dataframe column / array

[Issue #60](https://github.com/tdunning/t-digest/issues/60) Getting
IllegalArgumentException when adding digests

[Issue #53](https://github.com/tdunning/t-digest/issues/53)
smallByteSize methods are very trappy in many classes -- should be
changed or have warnings in javadocs

[Issue #82](https://github.com/tdunning/t-digest/issues/82) TDigest
class does not implement Serializable interface in last release.

[Issue #42](https://github.com/tdunning/t-digest/issues/42) Histogram

[Issue #40](https://github.com/tdunning/t-digest/issues/40) Improved
constraint on centroid sizes

[Issue #37](https://github.com/tdunning/t-digest/issues/37) Allow
arbitrary scaling laws for centroid sizes

[Issue #29](https://github.com/tdunning/t-digest/issues/29) Test
method testScaling() always adds values in ascending order

[Issue #84](https://github.com/tdunning/t-digest/issues/84) Remove
deprecated kinds of t-digest

[Issue #76](https://github.com/tdunning/t-digest/issues/76) Add
serializability

[Issue #77](https://github.com/tdunning/t-digest/issues/77) Question:
Proof of bounds on merging digest size

[Issue #71](https://github.com/tdunning/t-digest/issues/71) Simple
alternate algorithm using maxima, ranks and fixed cumulative weighting

[Issue #61](https://github.com/tdunning/t-digest/issues/61) Possible
improvement to the speed of the algorithm

[Issue #58](https://github.com/tdunning/t-digest/issues/58) jdk8
doclint incompatibility

[Issue #48](https://github.com/tdunning/t-digest/issues/48) Build is
unstable under some circumstances

[Issue #63](https://github.com/tdunning/t-digest/issues/63) Which
TDigest do you recommend?

[Issue #62](https://github.com/tdunning/t-digest/issues/62) Very slow
performance; what am I missing?

[Issue #47](https://github.com/tdunning/t-digest/issues/47) Make
TDigest serializable

[Issue #49](https://github.com/tdunning/t-digest/issues/49)
MergingDigest.centroids is wrong on an empty digest

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