'Neo2 us' computer keyboard layout

Canonical name	neo2-us.en.ergodox
Language	English
Form factor	Split : Ergodox / Kinesis
'Author'	Graeme Geldenhuys Author data may not be correct, we're working on it.
Keys horizontally staggered	No
Letters on thumb (lower and upper case)	0
Avoids AltGr for standard characters	No
Does not move non-character keys (ANSI/ISO)	Yes
Maintains QWERTY 'shift' pairs	No
Maintains QWERTY top row (ANSI/ISO)	Yes
Uppercase on same key	Yes
Conventional home keys, fingering, Space, Enter, Shifts, AltGr	No
Maintains QWERTY ZXCV	No
Maintains Colemak punctuation	No

Click image for larger view

Download the Keyboard Layout Analyzer .json file.

Scores

Scores are percentages relative to the best layout for each metric.

Metric	Percentage
Finger-based metrics	60.34
Word-based metrics	65.46
English	55.67
Code	75.09
Proglish	64.27
Words metric for no same-finger	65.46
Overall score	62.05

All layouts (613)

Metric	Lowest	Lowest score	neo2-us.en.ergodox score	Highest	Highest score
Fingers	noel.en.ansi	27.83	60.34	maks-ex.en.ergodox	98.54
Words	noel.en.ansi	18.27	65.46	dilbert.en.ansi	100.00
Average	noel.en.ansi	24.64	62.05	maks-ex.en.ergodox	98.56

Overview compared to all other layouts

neo2-us.en.ergodox ANSI layouts Ergo layouts

All Ergo (120)

Metric	Lowest	Lowest score	neo2-us.en.ergodox score	Highest	Highest score
Fingers	qwerty.en.ergodox	43.83	60.34	maks-ex.en.ergodox	98.54
Words	neo2-us.en.ergodox	65.46	65.46	lydell-anishtro.en.ergodox	99.11
Average	qwerty.en.ergodox	52.74	62.05	maks-ex.en.ergodox	98.56

Overview compared to all other Ergo layouts

neo2-us.en.ergodox Ergo layouts

All Ergo, uses AltGr (76)

Metric	Lowest	Lowest score	neo2-us.en.ergodox score	Highest	Highest score
Fingers	qwerty.en.ergodox	43.83	60.34	maks-ex.en.ergodox	98.54
Words	neo2-us.en.ergodox	65.46	65.46	hands-down-gold-ts.en.ergodox	98.96
Average	qwerty.en.ergodox	52.74	62.05	maks-ex.en.ergodox	98.56

Overview compared to all other Ergo layouts, uses AltGr

neo2-us.en.ergodox Ergo layouts, uses AltGr

All Ergo, no letters on thumbs (85)

Metric	Lowest	Lowest score	neo2-us.en.ergodox score	Highest	Highest score
Fingers	qwerty.en.ergodox	43.83	60.34	x1.en.ergodox	95.27
Words	neo2-us.en.ergodox	65.46	65.46	uciea-vanilla.en.ergodox	98.76
Average	qwerty.en.ergodox	52.74	62.05	x1.en.ergodox	95.36

Overview compared to all other Ergo layouts, no letters on thumb

neo2-us.en.ergodox Ergo layouts, no letters on thumb

Comparison to other well-known layouts

neo2-us.en.ergodox colemak-thumbshift.en.ergodox mtgap-thumbshift.en.ergodox dvorak.en.matrix maltron-us-90.en.ergodox qwerty.en.ansi Best Ergo lydell-anishtro.en.ergodox maks-ex.en.ergodox Worst Ergo qwerty.en.ergodox neo2-us.en.ergodox

Finger based metrics

Finger based metrics, as determined with Keyboard Layout Analyzer, using KLAnext scoring model, and then normalised to ANSI QWERTY = 100.
Lower is better.

English

Rank	Layout	Score	Distance	SameFinger	SameHand
Best	maks-ex.en.ergodox	43.87	43.40	32.76	67.01
This layout	neo2-us.en.ergodox	78.80	62.03	88.10	93.76
Reference	qwerty.en.ansi	100.00	100.00	100.00	100.00

Programming code

Rank	Layout	Score	Distance	SameFinger	SameHand
Best	x1_atreus-44-keys.en.ergodox	54.50	34.56	61.28	80.83
This layout	neo2-us.en.ergodox	72.58	48.35	77.57	111.06
Reference	qwerty.en.ansi	100.00	100.00	100.00	100.00

Proglish (an 80:20 English:Code mix)

Rank	Layout	Score	Distance	SameFinger	SameHand
Best	maks-ex.en.ergodox	49.22	42.49	44.78	71.55
This layout	neo2-us.en.ergodox	76.58	58.19	84.32	97.89
Reference	qwerty.en.ansi	100.00	100.00	100.00	100.00

Overall Fingers score (4 * English % + Code % + Proglish %) / 6

Higher is better. Score is out of 100.

Rank	Layout	Percentage
Best	maks-ex.en.ergodox	98.54
This layout	neo2-us.en.ergodox	60.34
Reference	qwerty.en.ansi	46.53

Metric	Lowest	Lowest score	neo2-us.en.ergodox score	Highest	Highest score
Overall fingers	noel.en.ansi	27.83	60.34	maks-ex.en.ergodox	98.54

English Word-based analysis

Home Keys Analysis

The Home Keys for this layout are shown with red dots in the first image above, giving the following letters:

adeinrtu

Home key common words

Not part of final score.
Which of the 200 most common words are typeable on the home keys.

Words handled

Words not handled

and a in it i at are an did under end need

the of to that is was for with as on be by his he from had not which have or were this but you their they her has all been one will who would more she its up can him so out there into we when said them about other than time no if some only also first could two my what over such do may me any like then after very most these new made your people now between should where years many being our before through much way work those well down back just see even because own little make must good man used both same how still three while use last too life against know year each us get mr take long part off go day might great never found old gbp right another place came during again without come world men upon think later say few left number away thought until home here small set different system though around since often called within always every went

Home key words

How many of the 30,000 most common words in the English corpus are typeable on the home keys.
Not included in final score ... layouts with letters on thumb have unfair advantage, and it punishes layouts which opt to keep O and U off the home row.

Home Key letters	English words typeable	Score	Longest word	Example
adeinrtu	427	1720	11	entertained

Word count
Word length

No same-finger words

How many of the 30,000 most common words in the English corpus can be typed without using the same finger twice.

Home Key letters	English words typeable	Score	Longest word	Example
adeinrtu	13499	3009	19	massachusetts-based

Word count
Word length

Word metric comparisons

Metric	Lowest example	Lowest score	neo2-us.en.ergodox score	Highest example	Highest score
Home keys words	tahan.en.ansi	4	1720	cahi.en.matrix	5445
No same-finger words	noel.en.ansi	840	3009	dilbert.en.ansi	4597
Words average	noel.en.ansi	18.27 %	65.46 %	full-r2-rt162_25-2ec2c1.en.ansi	100.00 %

Comparison to other layouts

neo2-us.en.ergodox colemak-thumbshift.en.ergodox mtgap-thumbshift.en.ergodox dvorak.en.matrix maltron-us-90.en.ergodox qwerty.en.ansi ANSI layouts Ergo layouts Best Ergo cahi.en.matrix lydell-anishtro.en.ergodox Worst Ergo neo2-us.en.ergodox qwerty-kinesis-advantage.en.ergodox

Heat map

English heat map

Programming Code (all languages) heat map

Note: Colour change points are different in the Code heat map due to the different character frequency distribution.

Ten most common English bigram pairs (excluding space and enter)

Ten most common Code bigram pairs (excluding space and enter)

Typing lessons

Download some English words suitable for learning the layout.
Note if any files are empty it's because there are not enough words to create a lesson. This is most noticeable in the bad layouts.

Week 1	Homekey words	Day 1	Day 2	Day 3	Day 4	Day 5
Week 2	No same-finger words	Day 1	Day 2	Day 3	Day 4	Day 5
Week 3	Common / tricky words	Day 1	Day 2	Day 3	Day 4	Day 5
Week 4	Pangrams	Day 1	Day 2	Day 3	Day 4	Day 5
Week 5	So you think you can type?	Day 1	Day 2	Day 3	Day 4	Day 5
Week 6	Extra practice 1: Common words in text	Day 1	Day 2	Day 3	Day 4	Day 5
Week 7	Extra practice 2: Lorem ipsum and friends	Day 1	Day 2	Day 3	Day 4	Day 5
Week 8	Extra practice 3: Underused words	Day 1	Day 2	Day 3	Day 4	Day 5
Week 9	Extra practice 4: Commonly misspelled words	Day 1	Day 2	Day 3	Day 4	Day 5