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Optimize the parameters for the typing algorithm

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The new set of parameters are optimized for both
keystroke savings and regression test scores.

This change is corresponding to the patch 6 of
Change-Id: Ib8439a85de26cbbba58837344717f0acbfcf0ab0
in the regression test repository.

Here is the link to the doc analyzing the
“nnow → know” case:
https://docs.google.com/a/google.com/document/d/1XIHfAHLlP1f3F8R-u7yxPGWcP58tokygzN_lQKXFFgM/edit

Here is the link to the spreadsheet showing
the diff of the words with frequencies >= 10
in en_user_log_phones_2011_08.csv.
https://docs.google.com/a/google.com/spreadsheet/ccc?key=0Am_RQlV4zC6SdFFVTlhJT0RLUENCWWZOZ3JQTUpMQ2c&usp=drive_web#gid=0

Updated TRT Results for this change:
[Category diff]
+1     783
-1     717
+2      20
-2      34
+3      34
-3      20
+4     575
-4     777
+5     765
-5     755
+6     785
-6     666
+7     479
-7     472

[Weighted category diff]
+1     999
-1     965
+2      21
-2      35
+3      35
-3      21
+4     804
-4     980
+5     970
-5     971
+6     954
-6     831
+7     645
-7     625

Bug: 10613502

Change-Id: I5cd447673a196ad5af641a2118602bec879bdefb
This commit is contained in:
Xiaojun Bi 2013-10-03 18:15:29 -07:00
parent 9d76391058
commit 2ed09c214a
1 changed files with 24 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
native/jni/src/suggest/policyimpl/typing/scoring_params.cpp
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@ -27,30 +27,30 @@ const int ScoringParams::MAX_CACHE_DIC_NODE_SIZE = 170;
const int ScoringParams::MAX_CACHE_DIC_NODE_SIZE_FOR_SINGLE_POINT = 310;
const int ScoringParams::THRESHOLD_SHORT_WORD_LENGTH = 4;
const float ScoringParams::DISTANCE_WEIGHT_LENGTH = 0.132f;
const float ScoringParams::PROXIMITY_COST = 0.095f;
const float ScoringParams::FIRST_CHAR_PROXIMITY_COST = 0.102f;
const float ScoringParams::FIRST_PROXIMITY_COST = 0.019f;
const float ScoringParams::OMISSION_COST = 0.458f;
const float ScoringParams::OMISSION_COST_SAME_CHAR = 0.491f;
const float ScoringParams::OMISSION_COST_FIRST_CHAR = 0.582f;
const float ScoringParams::INSERTION_COST = 0.730f;
const float ScoringParams::TERMINAL_INSERTION_COST = 0.93f;
const float ScoringParams::INSERTION_COST_SAME_CHAR = 0.586f;
const float ScoringParams::INSERTION_COST_PROXIMITY_CHAR = 0.70f;
const float ScoringParams::INSERTION_COST_FIRST_CHAR = 0.623f;
const float ScoringParams::TRANSPOSITION_COST = 0.526f;
const float ScoringParams::SPACE_SUBSTITUTION_COST = 0.319f;
const float ScoringParams::ADDITIONAL_PROXIMITY_COST = 0.380f;
const float ScoringParams::SUBSTITUTION_COST = 0.383f;
const float ScoringParams::COST_NEW_WORD = 0.042f;
const float ScoringParams::COST_SECOND_OR_LATER_WORD_FIRST_CHAR_UPPERCASE = 0.25f;
const float ScoringParams::DISTANCE_WEIGHT_LANGUAGE = 1.123f;
const float ScoringParams::COST_FIRST_LOOKAHEAD = 0.545f;
const float ScoringParams::COST_LOOKAHEAD = 0.073f;
const float ScoringParams::HAS_PROXIMITY_TERMINAL_COST = 0.093f;
const float ScoringParams::HAS_EDIT_CORRECTION_TERMINAL_COST = 0.041f;
const float ScoringParams::HAS_MULTI_WORD_TERMINAL_COST = 0.447f;
const float ScoringParams::DISTANCE_WEIGHT_LENGTH = 0.1524f;
const float ScoringParams::PROXIMITY_COST = 0.0694f;
const float ScoringParams::FIRST_CHAR_PROXIMITY_COST = 0.072f;
const float ScoringParams::FIRST_PROXIMITY_COST = 0.07788f;
const float ScoringParams::OMISSION_COST = 0.4676f;
const float ScoringParams::OMISSION_COST_SAME_CHAR = 0.399f;
const float ScoringParams::OMISSION_COST_FIRST_CHAR = 0.5256f;
const float ScoringParams::INSERTION_COST = 0.7248f;
const float ScoringParams::TERMINAL_INSERTION_COST = 0.9828f;
const float ScoringParams::INSERTION_COST_SAME_CHAR = 0.5508f;
const float ScoringParams::INSERTION_COST_PROXIMITY_CHAR = 0.674f;
const float ScoringParams::INSERTION_COST_FIRST_CHAR = 0.639f;
const float ScoringParams::TRANSPOSITION_COST = 0.5608f;
const float ScoringParams::SPACE_SUBSTITUTION_COST = 0.339f;
const float ScoringParams::ADDITIONAL_PROXIMITY_COST = 0.4576f;
const float ScoringParams::SUBSTITUTION_COST = 0.3806f;
const float ScoringParams::COST_NEW_WORD = 0.0292f;
const float ScoringParams::COST_SECOND_OR_LATER_WORD_FIRST_CHAR_UPPERCASE = 0.3224f;
const float ScoringParams::DISTANCE_WEIGHT_LANGUAGE = 1.1214f;
const float ScoringParams::COST_FIRST_LOOKAHEAD = 0.4786f;
const float ScoringParams::COST_LOOKAHEAD = 0.00624f;
const float ScoringParams::HAS_PROXIMITY_TERMINAL_COST = 0.06836f;
const float ScoringParams::HAS_EDIT_CORRECTION_TERMINAL_COST = 0.0362f;
const float ScoringParams::HAS_MULTI_WORD_TERMINAL_COST = 0.4182f;
const float ScoringParams::TYPING_BASE_OUTPUT_SCORE = 1.0f;
const float ScoringParams::TYPING_MAX_OUTPUT_SCORE_PER_INPUT = 0.1f;
const float ScoringParams::NORMALIZED_SPATIAL_DISTANCE_THRESHOLD_FOR_EDIT = 0.045f;