![]() ![]() ![]() The combined frequency of these is 25.61%. It uses hexagonal (or equivalent staggered-rectangular) keys. Obtained by choosing a layout I liked (a trapezoid shape) and randomly swapping letters around until my score stopped improving. (Self-answer, not eligible for the checkmark.) 54.02% The combined frequency of these is 15.15%. The combined frequency of these is 11.35%. The combined frequency of these is 24.20%. This unfortunately does not result in a pretty shape and does not beat the asker's layout. I started from the top of the list and tried to connect as many of the pairs as I could. Here is the best hex layout I came up with. Please include your score in your answer. (But remember that diagonally-adjacent keys on a rectangular grid only get half-credit for being adjacent.) The score for a keyboard layout is the sum of the percentages below for letter pairs that are on adjacent keys on your keyboard. Thus, only 203 of the 325 possible letter pairs are represented. Letters within a pair are arbitrarily listed in alphabetical order.ĭouble letters (e.g., LL or EE), which would have no impact on optimizing the keyboard (since you just hit the same key twice in a row), are excluded from the calculation.Īll figures are rounded to the nearest 1/100 of a percent, and letter pairs whose frequency would round down to zero are excluded from this list. Since “adjacent” is a symmetric operator, there is no point in distinguishing, for example, the TH in “THe” and “THat” and “wiTH” from the HT in “brougHT” and “daugHTer”. This is calculated from my personal e-book collection. On a straight rectangular grid, the four horizontally- and vertically-adjacent keys are considered fully adjacent, and diagonally-adjacent keys get half credit for being adjacent.On a hexagonal grid or a staggered rectangular grid, where each key touches six others, all six are considered “adjacent”.I will post at least one of my own answers, but will not give myself the checkmark. So, frequent letter pairs, like T-H or A-N, should be next to each other. So, my challenge here is to design a keyboard layout (two-dimensional arrangement of the 26 letters of the English alphabet) that maximizes the frequency for which adjacent letters in English words are on adjacent keys of the keyboard. I wonder if an alternative keyboard layout would make things easier. The ubiquitous QWERTY keyboard layout works well enough for ten-finger touch typing (though Dvorak proponents may disagree).īut what if you're typing a text message on a mobile phone? Those fiddly little non-tactile touchscreen "keys" are impossible to touch-type on, so I have to revert to the one-finger "hunt and peck" method, which is slow.
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