Chinese Pinyin Letter Frequency & Dvorak Layout; 拼音字母頻率 & Dvorak 鍵盤佈局

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Pinyin on Dvorak Keyboard Pinyin on QWERTY
Arrangement of the Dvorak Keyboard Layout and the traditional QWERTY. The red are the most frequent letters used in pinyin, followed by yellow, then green.

The following is a letter frequency of Chinese in pinyin. The purpose of this study is to find out whether the Dvorak Keyboard Layout is efficient for using Chinese pinyin input method.

Letters
 i  12620
 n  11269
 a   9314
 u   7075

 g   6922
 e   6851
 h   6815
 o   5519

 z   3545
 d   3363
 s   2585
 y   2571

 j   2299
 l   1522
 b   1422
 x   1361

 c   1150
 w   1097
 r   1073
 m    930

 f    925
 t    881
 q    717
 k    448

 p    255
 v     12 (v is u umlaut as in nv (woman) etc)
Tones
 4   9714
 2   7137
 1   6805
 3   5125
 5   1547

The pinyin frequency table is from 〔Letter frequency of Chinese pinyin By Dylan Sung. @ http://www.dylwhs.talktalk.net/scilang/pinyin-stats.htm

Pinyin Letter Frequency Distribution Based on Short Text

The following tables are letter distributions on qwerty and dvorak. The input is a 403 words chinese blog written in pinyin. Source: 〔Dvorak 键盘 By 潘永之. @ http://fatduck.org/dvorak/

QWERTY

q
0.56%
w
2.01%
e
6.51%
r
0.32%
t
1.77%
y
2.81%
u
7.40%
i
12.70%
o
6.51%
p
0.16%
40.76%
a
13.75%
s
1.53%
d
3.54%
f
0.72%
g
4.18%
h
6.27%
j
1.77%
k
0.80%
l
2.41%
;
34.97%
z
1.93%
x
1.61%
c
3.22%
v
0.00%
b
2.01%
n
8.52%
m
1.45%
,
1.61%
.
3.94%
/
24.28%

Dvorak

'
0.00%
,
1.61%
.
3.94%
p
0.16%
y
2.81%
f
0.72%
g
4.18%
c
3.22%
r
0.32%
l
2.41%
19.37%
a
13.75%
o
6.51%
e
6.51%
u
7.40%
i
12.70%
d
3.54%
h
6.27%
t
1.77%
n
8.52%
s
1.53%
68.49%
;
q
0.56%
j
1.77%
k
0.80%
x
1.61%
b
2.01%
m
1.45%
w
2.01%
v
0.00%
z
1.93%
12.14%

Pinyin Letter Frequency Distribution Based on Character Set

The following is distribution of qwerty and dvorak. The input file is all characters in GB2312, a total of 6727 chars. (chinese_characters_GB2312.txt)

QWERTY

q
1.54%
w
0.97%
e
4.94%
r
0.53%
t
1.29%
y
2.78%
u
9.94%
i
13.26%
o
6.11%
p
1.10%
42.46%
a
11.80%
s
2.29%
d
1.54%
f
0.97%
g
6.53%
h
6.25%
j
2.49%
k
0.94%
l
2.25%
;
35.06%
z
2.63%
x
1.93%
c
2.06%
v
0.12%
b
1.52%
n
12.88%
m
1.35%
,
.
/
22.48%

Dvorak

'
0.00%
,
0.00%
.
0.00%
p
1.10%
y
2.78%
f
0.97%
g
6.53%
c
2.06%
r
0.53%
l
2.25%
16.22%
a
11.80%
o
6.11%
e
4.94%
u
9.94%
i
13.26%
d
1.54%
h
6.25%
t
1.29%
n
12.88%
s
2.29%
70.30%
;
q
1.54%
j
2.49%
k
0.94%
x
1.93%
b
1.52%
m
1.35%
w
0.97%
v
0.12%
z
2.63%
13.48%
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