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‎engram_layout.ipynb

Lines changed: 69 additions & 45 deletions
Original file line numberDiff line numberDiff line change
@@ -11,10 +11,10 @@
1111
"\n",
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"The [Engram layout](https://github.com/binarybottle/engram-layout) is a keyboard layout optimized for comfortable touch typing in English created by [Arno Klein](https://binarybottle.com), with open source code to create other optimized key layouts.\n",
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"\n",
14-
" K U O Y W L G B Q\n",
15-
" H I E A T R S N J \n",
16-
" V Z X C D M F P \n",
17-
" \n",
14+
" Y P O U G D L B Q\n",
15+
" H I E A R T S N J \n",
16+
" V Z X C M K W F\n",
17+
"\n",
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"The Shift key accesses characters (top) that look similar to the numbers:\n",
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"\n",
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" ! = ? + $ @ ^ & % *\n",
@@ -30,11 +30,11 @@
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" ~ ! = ? + $ @ ^ & % * < >\n",
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" # 1 2 3 4 5 6 7 8 9 0 [ ] Caps\n",
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"\n",
33-
" Tab K U O Y ' \" W L G B Q - /\n",
34-
" Back H I E A , . T R S N J Enter\n",
35-
" Shift V Z X C ( ) D M F P Shift\n",
33+
" Tab Y P O U ' \" G D L B Q - /\n",
34+
" Back H I E A , . R T S N J Enter\n",
35+
" Shift V Z X C ( ) M K W F Shift\n",
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"\n",
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" Ctrl Fn Cmd Alt Space Alt Ctrl Arrows"
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" Ctrl Fn Cmd Alt Space Alt Ctrl Arrows"
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]
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},
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{
@@ -253,19 +253,31 @@
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" \n",
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"I applied the same algorithm as in Steps 1 and 3, but to each side separately (to make it computationally tractable), then to the remaining letters, and finally to the command characters on the left side. \n",
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"\n",
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"The top-scoring full layouts had vowels on the left side and command characters on either side:\n",
257-
" \n",
258-
" J U O Y W S M Q Z score: 0.04264\n",
259-
" H I E A T N R C X \n",
260-
" P K G D L F B V\n",
256+
"The top-scoring layouts had all vowels arranged the same way on the left, with command characters on either right or left, and additional small differences: \n",
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"\n",
262-
" Q U O Y W S M J Z score: 0.04264\n",
263-
" H I E A T N R C X \n",
264-
" P K G D L F B V\n",
258+
" K U O Y W D L B Q\n",
259+
" H I E A T S R N J \n",
260+
" V Z X C G M F P\n",
261+
" \n",
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"Switching UOY to YOU improves the ease of typing of some of the most frequent bigrams listed below (AY,YO,CY). The only advantage to UOY is that Y is an infrequent letter set in a hard-to-reach key.\n",
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"\n",
266-
" K U O Y W L G B Q score: 0.04263\n",
264+
" K Y O U W D L B Q\n",
265+
" H I E A T S R N J \n",
266+
" V Z X C G M F P\n",
267+
"\n",
268+
"Switching SR to RS or TR to RT:\n",
269+
"\n",
270+
" K Y O U W D L B Q\n",
267271
" H I E A T R S N J \n",
268-
" V Z X C D M F P\n",
272+
" V Z X C G M F P\n",
273+
"\n",
274+
" Y P O U G D L B Q\n",
275+
" H I E A T R S N J\n",
276+
" V Z X C M K W F\n",
277+
"\n",
278+
" Y P O U G D L B Q\n",
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" H I E A R T S N J \n",
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" V Z X C M K W F\n",
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" \n",
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"### 5. Arrange punctuation marks and characters in easy-to-remember places\n",
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"\n",
@@ -286,9 +298,9 @@
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"\n",
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"Resulting in:\n",
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"\n",
289-
" J U O Y ' \" W S M Q Z\n",
290-
" H I E A , . T N R C X \n",
291-
" P K G D ( ) L F B V\n",
301+
" Y P O U ' \" G D L B Q\n",
302+
" H I E A , . R T S N J \n",
303+
" V Z X C ( ) M K W F\n",
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"\n",
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"Shift accesses similar-looking characters above the numbers:\n",
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"\n",
@@ -2028,7 +2040,7 @@
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"\n",
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" Left: Right:\n",
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"\n",
2031-
" - - O - - S - \n",
2043+
" - - O - - S - -\n",
20322044
" - I E A T R N -\n",
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" - - - - - - - -\n",
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" \n",
@@ -2361,7 +2373,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 64,
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"execution_count": 71,
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"metadata": {},
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"outputs": [
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{
@@ -2371,7 +2383,9 @@
23712383
"KUOY-SR 0.04401807153800817\n",
23722384
"KUOY-RS 0.043997091340504314\n",
23732385
"KYOU-SR 0.0438722799049078\n",
2374-
"KYOU-RS 0.043851327891499675\n"
2386+
"KYOU-RS 0.043851327891499675\n",
2387+
"YPOU-TR 0.043941330819070576\n",
2388+
"YPOU-RT 0.04394065704343464\n"
23752389
]
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}
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],
@@ -2390,7 +2404,13 @@
23902404
"print('KYOU-SR', t)\n",
23912405
"letters = ['K','Y','O','U', 'H','I','E','A', 'V','Z','X','C', 'W','D','L','B', 'T','R','S','N', 'G','M','F','P']\n",
23922406
"t = score_layout(data_matrix, letters, bigrams, verbose=False)\n",
2393-
"print('KYOU-RS', t)"
2407+
"print('KYOU-RS', t)\n",
2408+
"letters = ['Y','P','O','U', 'H','I','E','A', 'V','Z','X','C', 'G','D','L','B', 'R','T','S','N', 'M','K','W','F']\n",
2409+
"t = score_layout(data_matrix, letters, bigrams, verbose=False)\n",
2410+
"print('YPOU-TR', t)\n",
2411+
"letters = ['Y','P','O','U', 'H','I','E','A', 'V','Z','X','C', 'G','D','L','B', 'T','R','S','N', 'M','K','W','F']\n",
2412+
"t = score_layout(data_matrix, letters, bigrams, verbose=False)\n",
2413+
"print('YPOU-RT', t)"
23942414
]
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},
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{
@@ -2422,17 +2442,17 @@
24222442
" H I E A T S R N J \n",
24232443
" V Z X C G M F P\n",
24242444
"\n",
2425-
"Switching SR to RS:\n",
2445+
"Switching SR to RS or TR to RT:\n",
24262446
"\n",
24272447
" K Y O U W D L B Q\n",
24282448
" H I E A T R S N J \n",
24292449
" V Z X C G M F P\n",
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"\n",
24312451
" Y P O U G D L B Q\n",
2432-
" H I E A T R S N J \n",
2452+
" H I E A T R S N J\n",
24332453
" V Z X C M K W F\n",
24342454
"\n",
2435-
" RT Y P O U G D L B Q\n",
2455+
" Y P O U G D L B Q\n",
24362456
" H I E A R T S N J \n",
24372457
" V Z X C M K W F\n",
24382458
"\n",
@@ -2538,6 +2558,20 @@
25382558
"top_permutation5, letter_permutations5, scores5 = permute_and_optimize(keys24, SpeedStrengthFlow24x24, bigrams, all_letters5, move_positions5, fixed_positions5, ntop=10, verbose=False)"
25392559
]
25402560
},
2561+
{
2562+
"cell_type": "code",
2563+
"execution_count": null,
2564+
"metadata": {},
2565+
"outputs": [],
2566+
"source": [
2567+
"keys24 = [1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16, 17,18,19,20, 21,22,23,24]\n",
2568+
"all_letters5 = \n",
2569+
"['Y','P','O','U', 'H','I','E','A', 'V','Z','X','C', 'G','D','L','B', 'R','T','S','N', 'M','K','W','F']\n",
2570+
"move_positions5 = [0,1,12,15,20,21,22,23]\n",
2571+
"fixed_positions5 = [2,3, 4,5,6,7, 8,9,10,11, 13,14, 16,17,18,19] \n",
2572+
"top_permutation5, letter_permutations5, scores5 = permute_and_optimize(keys24, SpeedStrengthFlow24x24, bigrams, all_letters5, move_positions5, fixed_positions5, ntop=10, verbose=False)"
2573+
]
2574+
},
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{
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"cell_type": "markdown",
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"metadata": {},
@@ -2677,16 +2711,6 @@
26772711
" OY 1020190223 o x"
26782712
]
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},
2680-
{
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"cell_type": "markdown",
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"metadata": {
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"colab_type": "raw",
2684-
"id": "lSk8xYCfDzS6"
2685-
},
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"source": [
2687-
" \n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
@@ -2776,19 +2800,19 @@
27762800
"\n",
27772801
" # 1 2 3 4 5 6 7 8 9 0 < >\n",
27782802
"\n",
2779-
" K U O Y ' \" W L G B Q\n",
2780-
" H I E A , . T S R N J \n",
2781-
" V Z X C ( ) D M F P \n",
2782-
" \n",
2803+
" Y P O U ' \" G D L B Q\n",
2804+
" H I E A , . R T S N J \n",
2805+
" V Z X C ( ) M K W F\n",
2806+
"\n",
27832807
"Shift to access similar-looking characters above the numbers, and swap the Backspace and Caps lock keys:\n",
27842808
"\n",
27852809
"\n",
27862810
" ~ ! = ? + $ @ ^ & % * < >\n",
27872811
" # 1 2 3 4 5 6 7 8 9 0 [ ] Caps\n",
27882812
"\n",
2789-
" Tab K U O Y ' \" W L G B Q - /\n",
2790-
" Back H I E A , . T S R N J Enter\n",
2791-
" Shift V Z X C ( ) D M F P Shift\n",
2813+
" Tab Y P O U ' \" G D L B Q - /\n",
2814+
" Back H I E A , . R T S N J Enter\n",
2815+
" Shift V Z X C ( ) M K W F Shift\n",
27922816
"\n",
27932817
" Ctrl Fn Cmd Alt Space Alt Ctrl Arrows\n",
27942818
"\n",

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