osaka.r #5 presentation
TRANSCRIPT
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R を用いた視線計測データの可視化方法の検討
阪 上 辰 也
ーコードがなくても発表できる!ー
1Saturday, April 23, 2011
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0. 自己紹介
2Saturday, April 23, 2011
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0. 自己紹介•阪上 辰也 (SAKAUE, Tatsuya)
• ID: sakaue (twitter)
• 所属: 広島大学 ... 特任講師• Nagoya.R と Hiroshima.R 主催(予定)
• 文科相に褒められたい (cf. @hamadakoichi)
• 詳しくは...
3Saturday, April 23, 2011
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0. 自己紹介
4Saturday, April 23, 2011
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0. 自己紹介
5Saturday, April 23, 2011
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Agenda
1. 研究内容の紹介2. 視線計測データの視覚化3. R による処理方法の検討
6Saturday, April 23, 2011
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Agenda
1. 研究内容の紹介2. 視線計測データの視覚化3. R による処理方法の検討
7Saturday, April 23, 2011
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英語関係節の習得研究
1 .研究内容の紹介
学習者が悩んでしまうアレ...
(解釈困難,発信困難)
8Saturday, April 23, 2011
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英語関係節の習得研究の目的
•習得される順序•難易度を決める要因
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習得される順序はどうか• Keenan & Comrie (1977)
主格>直接目的格>間接目的格>前置詞の目的格>属格>比較級の目的格という順序で関係節化されやすい
Noun Phrase Accessibility Hierarchy
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難易度は何で決まるか
類型論
記憶 統語
Keenan & Comrie (1977) など
L1(E): Traxler et al. (2005) L1 (E): Traxler et al. (2005)L1/L2 (J): 澤崎 (2009)
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先行研究で用いられる関係節の種類
RC type examples
SS
SO
OS
OO
The boy [that sees the girl] chases the policeman.
The boy [that the girl sees] chases the policeman.
The boy chases the girl [that sees the policeman].
The boy chases the girl [that the policeman sees]
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L1 L2産出理解
✓ ✓✓ ?
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実験風景
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Camera
Monitor
15Saturday, April 23, 2011
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16Saturday, April 23, 2011
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Video
17Saturday, April 23, 2011
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18Saturday, April 23, 2011
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Agenda
1. 研究内容の紹介2. 視線計測データの視覚化3. R による処理方法の検討
19Saturday, April 23, 2011
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Agenda
1. 研究内容の紹介2. 視線計測データの視覚化3. R による処理方法の検討
20Saturday, April 23, 2011
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視線計測データ
“The salesman that product excited was mentioned in the newsletter.” という英文を1人の日本人英語学習者が読んだ際のデータ
21Saturday, April 23, 2011
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視線計測データ
停留時間・停留位置などが記録されるのですが...
22Saturday, April 23, 2011
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R でもこう可視化したい!
23Saturday, April 23, 2011
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これもRで可視化したい!
24Saturday, April 23, 2011
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視線の軌跡や停留時間に基づくデータ可視化を
を使って行いたい25Saturday, April 23, 2011
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ちなみにさきほどの可視化には
X十万円のソフトがががが...
26Saturday, April 23, 2011
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視線の軌跡や停留時間に基づくデータ可視化を
を使って行いたい27Saturday, April 23, 2011
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Agenda
1. 研究内容の紹介2. 視線計測データの視覚化3. R による処理方法の検討
28Saturday, April 23, 2011
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Agenda
1. 研究内容の紹介2. 視線計測データの視覚化3. R による処理方法の検討
29Saturday, April 23, 2011
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どんなデータが必要か
•座標位置•停留時間
30Saturday, April 23, 2011
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計測データの一部
31Saturday, April 23, 2011
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•単純に plot() •テキストを重ねればOK?
可視化方法を検討する(1)
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plot() で (‘A`)ヴァー> eye <- read.delim("eyelink_037_data.txt", header=TRUE)> plot(eye[,2],eye[,3])> plot(eye[,2],eye[,3],xlim=c(0,640),ylim=c(480,0))
33Saturday, April 23, 2011
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• heatmap 関数 キタ━━━━(゚∀゚)━━━━!!
• http://flowingdata.com/2010/01/21/how-to-make-a-heatmap-a-quick-and-easy-solution/
•しかし,どうやら使い道が違うっぽい... orz
可視化方法を検討する(2)
34Saturday, April 23, 2011
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可視化方法を検討する(2)
http://flowingdata.com/2010/01/21/how-to-make-a-heatmap-a-quick-and-easy-solution/ より35Saturday, April 23, 2011
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• image 関数 キタ━━━━(゚∀゚)━━━━!!
• http://cse.naro.affrc.go.jp/takezawa/r-tips/r/50.html
•しかし,3次元データが対象... orz
可視化方法を検討する(3)
36Saturday, April 23, 2011
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可視化方法を検討する(3)
http://cse.naro.affrc.go.jp/takezawa/r-tips/r/50.html より
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•停留時間の長さに応じたbubble chart
• http://flowingdata.com/2010/11/23/how-to-make-bubble-charts/
•これはどうにかなるかも...?
可視化方法を検討する(4)
38Saturday, April 23, 2011
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可視化方法を検討する(4)
http://flowingdata.com/2010/11/23/how-to-make-bubble-charts/ より
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検索時の関連用語のリスト
• eye tracking, spacial data, time series
• heatmap, image (, function, package)
• visualization, map(ping)
40Saturday, April 23, 2011