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David Buckley

Experiments » Short-Term Skill Capture in a First-Person Shooter

Feature List

NameDescriptionHardwareTypeContextCorrelation to player score
1numdiffkeysThe total number of different keys the player uses.KeyboardFree0.4762311202
2mean-numkeysThe average number of keys pressed at one time.KeyboardFree0.7895946121
3max-numkeysThe most number of keys pressed at one time.KeyboardFree0.6364996544
4conkeysThe number of times a single key is pressed consecutively (e.g. w followed by w).KeyboardFree0.01377176214
5zlib-keystrThe zlib complexity of the command string (a representation where commands are represented by single characters, e.g. ws indicates the player pressed forwards followed by back).KeyboardComplexityDependent-0.4057062631
6huffman-keystrThe Huffman complexity of the command string.KeyboardComplexityDependent0.6924555845
7entropy-keystrThe frequency entropy of the command string.KeyboardComplexityDependent-0.5447012811
8samp-keybinThe sample entropy of the keys' binary string (the keys pressed represented by the ASCII code in binary).KeyboardComplexityDependent0.5801406797
9zlib-bintostr-keybinThe zlib complexity of the keys' binary string.KeyboardComplexityDependent0.7578410829
10huffman-keybinThe Huffman complexity of the keys' binary string.KeyboardComplexityDependent0.7452370919
11lz-bintostr-keybinThe LZ complexity of the keys' binary string.KeyboardComplexityDependent0.7994384455
12lz-inttostr-keybinThe LZ complexity of the keys' ASCII string.KeyboardComplexityDependent0.7578823035
13lz-keystrThe LZ complexity of the commandstring.KeyboardComplexityDependent0.542743093
14lz-wbinaryThe LZ complexity of the forward key's binary string, i.e. for each key event, indicates whether or not the forward key is pressed.KeyboardComplexityDependent-0.625816501
15lz-sbinaryThe LZ complexity of the backward key's binary string.KeyboardComplexityDependent0.3299682272
16lz-abinaryThe LZ complexity of the left key's binary string.KeyboardComplexityDependent0.3497382108
17lz-dbinaryThe LZ complexity of the right key's binary string.KeyboardComplexityDependent0.3224879204
18multikeys/1The total time for which at least one key is pressed.KeyboardFree0.7441286447
19multikeys/2The total time for which at least two keys are pressed.KeyboardFree0.7802120351
20multikeys/3The total time for which at least three keys are pressed.KeyboardFree0.5711827307
21movementepisodesThe number of periods where at least one key is pressed.KeyboardDependent-0.08762962003
22height-movementThe first dimension of curvature on the player's movement path (a path representation of the player's key presses forward, left, right and back).KeyboardDependent0.3243638035
23width-movementThe second dimension of curvature on the player's movement path.KeyboardDependent0.4635380014
24cross-movementThe third dimension of curvature on the player's movement path.KeyboardDependent0.3451670057
25angles-mean-movementThe average size of the angle between successive vectors in the player's movement path.KeyboardKineticsDependent0.4643669894
26angles-std-movementThe standard deviation of the angles between successive vectors in the player's movement path.KeyboardKineticsDependent-0.1560877692
27eventfreq-movementThe number of key presses per milisecond.KeyboardEvent FrequencyDependent-0.2408459363
28occupancy-flatten-mean-movementThe mean of a flattened frequency grid of the player's movement path (a frequency is the number of times events happen in each area).KeyboardDependent0.6910769341
29occupancy-flatten-std-movementThe standard deviation of a flattened frequency grid of the player's movement path.KeyboardDependent0.4509774367
30occupancy-flatten-spread-movementHow the frequencies in a flattened frequency grid of the player's movement path was spread.KeyboardDependent-0.2869721022
31regression-movementA linear regression of all points in the player's movement path.KeyboardDependent0.1829439379
32regressionerror-movementThe mean-squared error for fitting a regression curve.KeyboardDependent0.4053966157
33x-last-movementThe player's final x position given their movement path.KeyboardDependent-0.2607429484
34y-last-movementThe player's final y position given their movement path.KeyboardDependent0.3013632072
35length-movementThe total length of the player's movement path.KeyboardKineticsDependent0.7804384616
36straights-movementThe total length of the straight lines (where the player only pressed one key) in the player's movement path divided by the total length of the path.KeyboardDependent-0.7472699394
37intersections-movementThe number of intersections in the player's movement path.KeyboardDependent0.6638955432
38x-mean-sample-fourier-movementThe mean of a fourier transform taken over the players left and right strafing.KeyboardComplexityDependent0.3625110667
39y-mean-sample-fourier-movementThe mean of a fourier transform taken over a player's forwards and back movement.KeyboardComplexityDependent0.3195976178
40forwardtime-movementThe total time the player is moving forwards.KeyboardDependent0.635483328
41backwardtime-movementThe total time the player is moving backwards.KeyboardDependent0.6312282323
42lefttime-movementThe total time the player strafes left.KeyboardDependent0.6705982724
43righttime-movementThe total time the player strafes right.KeyboardDependent0.6035685378
44presses-num-requiredkeysThe number of key events for the most basic set of keys (forwards, left, right and back).KeyboardEvent FrequencyDependent0.7227761689
45keytime-requiredkeysThe total time the basic set of keys are pressed.KeyboardEvent FrequencyDependent0.7663406489
46presses-num-commonThe number of key events for a set of commonly pressed keys (tab, esc, space, 1 - 5, `, c, r, t, y, left ctrl, left shift).KeyboardEvent FrequencyDependent0.4074729114
47keytime-commonThe total time the set of commonly pressed keys are pressed.KeyboardEvent FrequencyDependent0.1697712912
48presses-num-uncommonThe number of key event for a set of less commonly pressed keys (enter, /, [, ], e, f, g, k, q, v, x, z).KeyboardEvent FrequencyDependent0.2436735739
49keytime-uncommonThe total time the set of less commonly pressed keys are pressed.KeyboardEvent FrequencyDependent0.1025473645
50isnone-num-keyeventsThe number of key events for keys that are not bound to a command.KeyboardEvent FrequencyDependent0.001746932216
51sum-magnitude-displacement-clickBursts-movementThe player's movement during clicking bursts (periods where the player performs lots of clicking).ClicksDependent0.7737720255
52sum-magnitude-displacement-clickBursts/0-movementThe total movement while the player is clicking.ClicksDependent0.2779124507
53mean-beforekill-clickeventsThe average time between a player's kill and the last time they pressed a mouse button down.ClicksDependent0.2254674892
54mean-bursttime-clicks/0The average time the mouse is held for.ClicksFree0.2440567761
55num-clicks/10The number of clicking bursts.ClicksEvent FrequencyFree-0.2601649986
56mean-bursttime-clicksThe average length of the clicking bursts.ClicksFree0.2692410042
57lz-clickbinThe LZ complexity of the player's clicking as a binary string.ClicksComplexityFree0.4184172733
58perclicks-ammoeventsThe amount of ammo used divided by the number of clicks.ClicksDependent0.2049278015
59height-positionThe first dimension of curvature on the player's position path (a path that estimates the player's position over time using their key presses and mouse movement)Dependent0.07371449413
60width-positionThe second dimension of curvature on the player's position path.Dependent0.2239345188
61cross-positionThe third dimension of curvature on the player's position path.Dependent0.1450172697
62length-positionThe length of the player's position path.KineticsDependent0.7662181652
63straights-positionThe length of the straight lines in a player's position path divided by the total path length.Dependent-0.1958143165
64eventfreq-positionThe number of input events per milisecond.Event FrequencyDependent0.5947728117
65occupancy-flatten-mean-positionThe mean value of a flattened frequency grid of the player's position path.Dependent0.6221823053
66x-sample-samp-positionThe sample entropy of the x value in the player's position path.ComplexityDependent0.07091110115
67y-sample-samp-positionThe sample entropy of the y value in the player's position path.ComplexityDependent0.06052205359
68x-lz-contobin-positionThe LZ complexity of the x value in the player's position path.ComplexityDependent-0.3489018134
69y-lz-contobin-positionThe LZ complexity of the y value in the player's position path.ComplexityDependent-0.3642225932
70ratio-mouseThe ratio of vertical to horizontal mouse movement.MouseFree0.1079942645
71width-mouseThe first dimension of curvature on the player's mouse movement.MouseFree0.1743614983
72height-mouseThe second dimension of curvature on the player's mouse movement.MouseFree0.06871903157
73cross-mouseThe third dimension of curvature on the player's mouse movement.MouseFree0.1752897107
74length-mouseThe total distance the mouse moved.MouseKineticsFree0.2620206314
75eventfreq-mouseThe number of mouse movement events per milisecond.MouseEvent FrequencyFree-0.01892126951
76magnitude-mean-mouseThe player's mean position of the mouse.MouseKineticsFree0.1270823971
77magnitude-vel-mean-mouseThe mean velocity of the mouse.MouseKineticsFree-0.1049851217
78magnitude-accel-max-mouseThe maximum acceleration of the mouse.MouseKineticsFree-0.05128095877
79angles-mean-mouseThe average change of angle between successive mouse movements.MouseKineticsFree0.1357084426
80angles-std-mouseThe standard deviation of the angles between successive mouse movements.MouseKineticsFree0.1380292622
81right-mouseThe maximum x position of the mouse.MouseFree0.2103861072
82left-mouseThe minimum x position of the mouse.MouseFree0.07767945514
83x-vel-mean-mouseThe mean velocity of the mouse in the x direction.MouseKineticsFree0.09177372304
84x-accel-mean-mouseThe mean acceleration of the mouse in the y direction.MouseKineticsFree-0.02408760464
85x-accel-max-mouseThe maximum acceleration of the mouse in the x direction.MouseKineticsFree-0.07694428761
86x-mean-clickBursts-mouseThe mean maximum x displacement while holding a mouse button.MouseFree0.1569669984
87xturns-num-mouseThe number of times the mouse changed direction relative to its previous direction.MouseKineticsFree0.4947246693
88xturns-time-mean-mouseThe average time between the mouse changing direction.MouseKineticsFree-0.116118913
89xturns-time-max-mouseThe maximum time between the mouse changing direction.MouseKineticsFree-0.2360290204
90x-sample-samp-mouseThe sample entropy for mouse movement in the x direction.MouseComplexityFree0.1074685752
91x-lz-contobin-mouseThe LZ complexity of mouse movement in the x direction.MouseComplexityFree-0.3401819528
92x-zlib-contobin-mouseThe zlib complexity of mouse movement in the x direction.MouseComplexityFree-0.1690185399
93x-mean-sample-fourier-mouseThe mean of a fourier transform taken over mouse movement in the x direction.MouseComplexityFree0.1425008842
94x-std-sample-fourier-mouseThe standard deviation of a fourier transform taken over mouse movement in the x direction.MouseComplexityFree0.1134185045
95x-std-mouseThe standard deviation of x points in mouse movement events.MouseFree0.1595290805
96y-mean-mouseThe mean y position of the mouse.MouseFree0.1349297052
97y-mean-deaths-mouseThe mean y position of the mouse upon death.MouseFree0.09353619462
98top-mouseThe maximum y position of the mouse.MouseFree0.1589254339
99bottom-mouseThe minimum y position of the mouse.MouseFree0.1116084582
100y-vel-mean-mouseThe average velocity of the mouse in the y direction.MouseKineticsFree0.2203056079
101y-accel-mean-mouseThe average acceleration of the mouse in the y direction.MouseKineticsFree0.2161290453
102y-accel-max-mouseThe maximum acceleration of the mouse in the y direction.MouseKineticsFree-0.02343959835
103y-mean-clickBursts-mouseThe mean maximum y displacement while holding a mouse button.MouseFree0.1349297052
104y-sample-samp-mouseThe sample entropy for mouse movement in the y direction.MouseComplexityFree0.1761634405
105y-lz-contobin-mouseThe LZ complexity of mouse movement in the y direction.MouseComplexityFree-0.1301304496
106y-zlib-contobin-mouseThe zlib complexity of mouse movement in the y direction.MouseComplexityFree-0.02248455782
107y-mean-sample-fourier-mouseThe mean of a fourier transform taken over mouse movement in the y direction.MouseComplexityFree0.1014244395
108y-std-sample-fourier-mouseThe standard deviation of a fourier transform taken over mouse movement in the y direction.MouseComplexityFree0.09584556407
109y-std-mouseThe standard deviation of y points in mouse movement events.MouseFree0.02431479572
110num-mouseeventsThe number of mouse movement events.MouseEvent FrequencyFree0.3637545801
111spread-mouseeventsHow mouse movement events were distributed over time.MouseEvent FrequencyFree-0.06182525448
112time-mean-mouseeventsThe mean time between mouse movement events.MouseEvent FrequencyFree-0.3727698308
113time-std-mouseeventsThe standard deviation of time between mouse movement events.MouseEvent FrequencyFree-0.3763982429
114time-max-mouseeventsThe maximum time between mouse movement events.MouseEvent FrequencyFree-0.3224150705
115time-min-mouseeventsThe minimum time between mouse movement events.MouseEvent FrequencyFree-0.1242009818
116num-clickeventsThe number of mouse clicks.ClicksEvent FrequencyFree-0.123384581
117spread-clickeventsHow mouse click events were distributed over time.ClicksEvent FrequencyFree-0.06748792828
118time-mean-clickeventsThe mean time between mouse clicks.ClicksEvent FrequencyFree0.09642593942
119time-std-clickeventsThe standard deviation of time between mouse clicks.ClicksEvent FrequencyFree-0.1358622939
120time-max-clickeventsThe maximum time between mouse clicks.ClicksEvent FrequencyFree-0.2576835493
121time-min-clickeventsThe minimum time between mouse clicks.ClicksEvent FrequencyFree-0.07196474951
122num-keyeventsThe number of key press events.KeyboardEvent FrequencyFree0.7572592162
123spread-keyeventsHow key press events were distributed over time.KeyboardEvent FrequencyFree-0.1634996291
124time-mean-keyeventsThe mean time between key press events.KeyboardEvent FrequencyFree-0.703531493
125time-std-keyeventsThe standard deviation of time between key press events.KeyboardEvent FrequencyFree-0.6481932393
126time-max-keyeventsThe maximum time between key press events.KeyboardEvent FrequencyFree-0.515651123
127time-min-keyeventsThe minimum time between key press events.KeyboardEvent FrequencyFree-0.25503298
128index/0-fourier-x-sample-movementThe 1st frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.2970895353
129index/1-fourier-x-sample-movementThe 2nd frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.3828267135
130index/2-fourier-x-sample-movementThe 3rd frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.3474476225
131index/3-fourier-x-sample-movementThe 4th frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.3461737565
132index/4-fourier-x-sample-movementThe 5th frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.3837797769
133index/5-fourier-x-sample-movementThe 6th frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.3416736489
134index/6-fourier-x-sample-movementThe 7th frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.3283205924
135index/7-fourier-x-sample-movementThe 8th frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.2993176127
136index/8-fourier-x-sample-movementThe 9th frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.330794977
137index/9-fourier-x-sample-movementThe 10th frequency of a fourier analysis taken over the player's movement path in the x direction.KeyboardComplexityDependent0.3572383949
138index/0-fourier-y-sample-movementThe 1st frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.3498544798
139index/1-fourier-y-sample-movementThe 2nd frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.2650964731
140index/2-fourier-y-sample-movementThe 3rd frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.26000792
141index/3-fourier-y-sample-movementThe 4th frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.269486512
142index/4-fourier-y-sample-movementThe 5th frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.28616591
143index/5-fourier-y-sample-movementThe 6th frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.2707655882
144index/6-fourier-y-sample-movementThe 7th frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.3076223113
145index/7-fourier-y-sample-movementThe 8th frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.2849464275
146index/8-fourier-y-sample-movementThe 9th frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.2587144943
147index/9-fourier-y-sample-movementThe 10th frequency of a fourier analysis taken over the player's movement path in the y direction.KeyboardComplexityDependent0.2962929082
148index/0-fourier-x-sample-mouseThe 1st frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.0935808558
149index/1-fourier-x-sample-mouseThe 2nd frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.136966113
150index/2-fourier-x-sample-mouseThe 3rd frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.1169605529
151index/3-fourier-x-sample-mouseThe 4th frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.1089535556
152index/4-fourier-x-sample-mouseThe 5th frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.1406333827
153index/5-fourier-x-sample-mouseThe 6th frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.1649950604
154index/6-fourier-x-sample-mouseThe 7th frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.05679345934
155index/7-fourier-x-sample-mouseThe 8th frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.1514558593
156index/8-fourier-x-sample-mouseThe 9th frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.1072819456
157index/9-fourier-x-sample-mouseThe 10th frequency of a fourier analysis taken over the player's mouse movement in the x direction.MouseComplexityFree0.1062660565
158index/0-fourier-y-sample-mouseThe 1st frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree0.1145512132
159index/1-fourier-y-sample-mouseThe 2nd frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree0.0105863334
160index/2-fourier-y-sample-mouseThe 3rd frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree-0.01598739306
161index/3-fourier-y-sample-mouseThe 4th frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree0.02850066776
162index/4-fourier-y-sample-mouseThe 5th frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree0.03407573082
163index/5-fourier-y-sample-mouseThe 6th frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree0.02508501888
164index/6-fourier-y-sample-mouseThe 7th frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree0.01584123128
165index/7-fourier-y-sample-mouseThe 8th frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree-0.05182809799
166index/8-fourier-y-sample-mouseThe 9th frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree-0.02623353089
167index/9-fourier-y-sample-mouseThe 10th frequency of a fourier analysis taken over the player's mouse movement in the y direction.MouseComplexityFree-0.008862698208
168index/0-fourier-eventsample-keyeventsThe 1st frequency of a fourier analysis of the number of keyboard events per second.KeyboardComplexityFree0.7572592162
169index/1-fourier-eventsample-keyeventsThe 2nd frequency of a fourier analysis of the number of keyboard events per second.KeyboardComplexityFree0.2786105275
170index/2-fourier-eventsample-keyeventsThe 3rd frequency of a fourier analysis of the number of keyboard events per second.KeyboardComplexityFree0.3049500304
171index/3-fourier-eventsample-keyeventsThe 4th frequency of a fourier analysis of the number of keyboard events per second.KeyboardComplexityFree0.3947560063
172index/4-fourier-eventsample-keyeventsThe 5th frequency of a fourier analysis of the number of keyboard events per second.KeyboardComplexityFree0.3671532806
173mean-eventsample-keyeventsThe average number of key events per second.KeyboardEvent FrequencyFree0.7572592162
174std-eventsample-keyeventsThe standard deviation of the number of key events per second.KeyboardEvent FrequencyFree0.7061234891