typing exercises
character sets
- Numeric characters (
0123456789) - Special characters (
~!@#$%^&()_+-={}[];\',.,*|missing) - Alphabet
a - zA - Z- left hand
shift+ right handa - z - right hand
shift+ left handa - z
- left hand
yarn start
cd dojo-web-serveryarn start- page is available at
localhost:8080
Instant Feedback
- error on current key
- repeated errors for the same key
Configuration
- accept correction or not
- able to see the next few letters or not
- automatically remove wrong characters or not (especially for training, typing backspace in-between adds up mental noises)
- set of keys
- difficulty (definition? cue: finger distance between neighbors, repeated keys in a sequence (lower the difficulty), randomness, ...)
Mode
- training with visual cue (virtual keyboard with keys highlighted)
- test session (strict config)
- review session (replay, statistics, annotation)
- RPG (against imaginary boss, life point, attack, levels, etc.)
- dungeon explore
- people sharing the same world map
- pairing active users by effort (time investment, improvement, playbook, etc.)
#of corrects -#of errors =#of steps available
- dungeon explore
similar idea ~ make data labeling fun to play
- feedback: users' own effort improves AI-powered system that directly affects the user experience
- users will be divided into isolated groups to test out multiple configurations / evolution tracks
- dialogue bot (NLP), NPC strategies (reinforcement learning), player pairing/recommendation
picture bounding box labeling
- memory game: recall the position
sightreading.training — A tool for learning to sight-read sheet music
connection to music streaming services
Global
- total number of errors
- sorting keys by number of errors
- sorting keys by reflex time
- trend diagram over a period of time
Local
- record all key strokes
- characters
- "A"-"Z", "a"-"z", "!@#$%^&*()-_=+|"
- "Backspace", "Shift"
- the rest are grouped into "Other"
- "Space", modifiers, function keys (Arrow keys? depends on Mode)
- reflex time
- errors (~ matching)
- group key strokes into clusters (to determine "hard" snippets) by
- time-related
- average speed over a window
- below a threshold of average speed
- below a threshold of reflex time
- accuracy-related
- below a threshold of errors
- user annotated
pain points
- alternate between little finger and ring finger
e.g.
[],09,de pl oy - double strike with the same finger, especially little finger and ring finger
e.g.
dep lo y
Note taking in latex is smoother but missing * and | in training.
Need a better symbol generator.
TODO
- build a composable random number generator
- Linear cogruential generator (LCG)
- build common distributions on top of that
- generate from customized set of symbols
Performance kind of stabilized. Need to target the poorly-handled subset of symbols.
No enough data collected during the exercises. One way is to build a web app for this.
By mental statistics, %^& was mistyped most frequently.
For 23@#, sometimes not using the optimal finger.
Left shift and right shift switching needs some work.
Current strategy is to switch hand when the other one is "busy".
An exception: 6 or ^ is right in the middle of left and right hands.
When typing a sequence like ^6^, there is no need to switch hands but press and release shift by the same hand.
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Partially Fixed, edge case: \\\\, only one \ got removed. Fixed, 2018-12-09
2018-12-08
Parsed response string from purescript-affjax contains quotes and escape token (\).