The document appears to be notes from a meeting of the Tokyo.R group. It includes an agenda, introductions of attendees, and a discussion of graphs comparing animal body weight and brain weight for different species. One graph focuses on humans and compares their brain weight and body weight to other animals.

1. R
10 14
.
yokkuns:
.
4 R (Tokyo.R#04)
2010/04/24
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 1 / 69

2. AGENDA
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 2 / 69

3. AGENDA
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 3 / 69

4. :
: yokkuns
twitter : yokkuns
: Web
:
R Tokyo.R
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 4 / 69

5. R - Tokyo.R
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 5 / 69

6. R - Tokyo.R
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 5 / 69

7. R - Tokyo.R
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 5 / 69

8. R - Tokyo.R
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 5 / 69

9. R - Tokyo.R
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 5 / 69

10. AGENDA
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 6 / 69

11. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 7 / 69

12. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 8 / 69

13. Table:
Species Body Weight Brain Weight Species Body Weight Brain Weight
Mountain Beaver 1.35 8.1 African Elephant 6654 5712
Cow 465 423 Triceratops 9400 70
Grey Wolf 36.33 119.5 Rhesus Monkey 6.8 179
Goat 27.66 115 Kangaroo 35 56
Guinea Pig 1.04 5.5 Hamster 0.12 1
Diplodocus 11700 50 Mouse 0.023 0.4
Asian Elephant 2547 4603 Rabbit 2.5 12.1
Donkey 187.1 419 Sheep 55.5 175
Horse 521 655 Jaguar 100 157
Potar Monkey 10 115 Chimpanzee 52.16 440
Cat 3.3 25.6 Brachiosaurus 87000 154.5
Giraffe 529 680 Rat 0.28 1.9
Gorilla 207 406 Mole 0.122 3
Human 62 1320 Pig 192 180
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 9 / 69

14. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 10 / 69

15. - 80,000kg
Table:
Species Body Weight Brain Weight Species Body Weight Brain Weight
Mountain Beaver 1.35 8.1 African Elephant 6654 5712
Cow 465 423 Triceratops 9400 70
Grey Wolf 36.33 119.5 Rhesus Monkey 6.8 179
Goat 27.66 115 Kangaroo 35 56
Guinea Pig 1.04 5.5 Hamster 0.12 1
Diplodocus 11700 50 Mouse 0.023 0.4
Asian Elephant 2547 4603 Rabbit 2.5 12.1
Donkey 187.1 419 Sheep 55.5 175
Horse 521 655 Jaguar 100 157
Potar Monkey 10 115 Chimpanzee 52.16 440
Cat 3.3 25.6 Brachiosaurus 87000 154.5
Giraffe 529 680 Rat 0.28 1.9
Gorilla 207 406 Mole 0.122 3
Human 62 1320 Pig 192 180
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 11 / 69

16. - 80,000kg
Table:
Species Body Weight Brain Weight Species Body Weight Brain Weight
Mountain Beaver 1.35 8.1 African Elephant 6654 5712
Cow 465 423 Triceratops 9400 70
Grey Wolf 36.33 119.5 Rhesus Monkey 6.8 179
Goat 27.66 115 Kangaroo 35 56
Guinea Pig 1.04 5.5 Hamster 0.12 1
Diplodocus 11700 50 Mouse 0.023 0.4
Asian Elephant 2547 4603 Rabbit 2.5 12.1
Donkey 187.1 419 Sheep 55.5 175
Horse 521 655 Jaguar 100 157
Potar Monkey 10 115 Chimpanzee 52.16 440
Cat 3.3 25.6 Brachiosaurus 87000 154.5
Giraffe 529 680 Rat 0.28 1.9
Gorilla 207 406 Mole 0.122 3
Human 62 1320 Pig 192 180
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 12 / 69

17. - 80,000kg
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 13 / 69

18. - 2,000kg
Table:
Species Body Weight Brain Weight Species Body Weight Brain Weight
Mountain Beaver 1.35 8.1 African Elephant 6654 5712
Cow 465 423 Triceratops 9400 70
Grey Wolf 36.33 119.5 Rhesus Monkey 6.8 179
Goat 27.66 115 Kangaroo 35 56
Guinea Pig 1.04 5.5 Hamster 0.12 1
Diplodocus 11700 50 Mouse 0.023 0.4
Asian Elephant 2547 4603 Rabbit 2.5 12.1
Donkey 187.1 419 Sheep 55.5 175
Horse 521 655 Jaguar 100 157
Potar Monkey 10 115 Chimpanzee 52.16 440
Cat 3.3 25.6 Brachiosaurus 87000 154.5
Giraffe 529 680 Rat 0.28 1.9
Gorilla 207 406 Mole 0.122 3
Human 62 1320 Pig 192 180
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 14 / 69

19. - 2,000kg
Table:
Species Body Weight Brain Weight Species Body Weight Brain Weight
Mountain Beaver 1.35 8.1 African Elephant 6654 5712
Cow 465 423 Triceratops 9400 70
Grey Wolf 36.33 119.5 Rhesus Monkey 6.8 179
Goat 27.66 115 Kangaroo 35 56
Guinea Pig 1.04 5.5 Hamster 0.12 1
Diplodocus 11700 50 Mouse 0.023 0.4
Asian Elephant 2547 4603 Rabbit 2.5 12.1
Donkey 187.1 419 Sheep 55.5 175
Horse 521 655 Jaguar 100 157
Potar Monkey 10 115 Chimpanzee 52.16 440
Cat 3.3 25.6 Brachiosaurus 87000 154.5
Giraffe 529 680 Rat 0.28 1.9
Gorilla 207 406 Mole 0.122 3
Human 62 1320 Pig 192 180
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 15 / 69

20. - 2,000kg
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 16 / 69

21. - Human
Table:
Species Body Weight Brain Weight Species Body Weight Brain Weight
Mountain Beaver 1.35 8.1 African Elephant 6654 5712
Cow 465 423 Triceratops 9400 70
Grey Wolf 36.33 119.5 Rhesus Monkey 6.8 179
Goat 27.66 115 Kangaroo 35 56
Guinea Pig 1.04 5.5 Hamster 0.12 1
Diplodocus 11700 50 Mouse 0.023 0.4
Asian Elephant 2547 4603 Rabbit 2.5 12.1
Donkey 187.1 419 Sheep 55.5 175
Horse 521 655 Jaguar 100 157
Potar Monkey 10 115 Chimpanzee 52.16 440
Cat 3.3 25.6 Brachiosaurus 87000 154.5
Giraffe 529 680 Rat 0.28 1.9
Gorilla 207 406 Mole 0.122 3
Human 62 1320 Pig 192 180
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 17 / 69

22. - Human
Table:
Species Body Weight Brain Weight Species Body Weight Brain Weight
Mountain Beaver 1.35 8.1 African Elephant 6654 5712
Cow 465 423 Triceratops 9400 70
Grey Wolf 36.33 119.5 Rhesus Monkey 6.8 179
Goat 27.66 115 Kangaroo 35 56
Guinea Pig 1.04 5.5 Hamster 0.12 1
Diplodocus 11700 50 Mouse 0.023 0.4
Asian Elephant 2547 4603 Rabbit 2.5 12.1
Donkey 187.1 419 Sheep 55.5 175
Horse 521 655 Jaguar 100 157
Potar Monkey 10 115 Chimpanzee 52.16 440
Cat 3.3 25.6 Brachiosaurus 87000 154.5
Giraffe 529 680 Rat 0.28 1.9
Gorilla 207 406 Mole 0.122 3
Human 62 1320 Pig 192 180
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 18 / 69

23. - Human
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 19 / 69

24. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 20 / 69

25. brain.data2$Brain_Weight
brain.data$Brain_Weight
4000
4000
2000
2000
0
0
0 20000 60000 0 4000 8000 12000
brain.data$Body_Weight brain.data2$Body_Weight
brain.data3$Brain_Weight
brain.data4$Brain_Weight
800 1200
600
400
400
200
0
0
0 100 300 500 0 100 300 500
brain.data3$Body_Weight brain.data4$Body_Weight
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 21 / 69

26. AGENDA
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 22 / 69

27. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 23 / 69

28. x y
x y
x y
x y
Table:
x y x y
1 290 350 11 70 90
2 50 70 12 260 320
3 80 100 13 220 270
4 100 130 14 330 400
5 200 250 15 170 210
6 350 430 16 420 510
7 430 520 17 80 100
8 80 100 18 300 370
9 210 260 19 290 350
10 110 140 20 230 280
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 24 / 69

29. x y
Histogram of x
6
Frequency
4
2
0
0 100 200 300 400 500 600
x
Histogram of y
Frequency
4
2
0
0 100 200 300 400 500 600
y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 25 / 69

30. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

31. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

32. x y
x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

33. x y
x y
x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

34. x y
x y
x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

35. x y
x y
x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

36. x y
x y
x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

37. x y
x y
x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 26 / 69

38. x y
Histogram of yx
7
6
5
Frequency
4
3
2
1
0
20 30 40 50 60 70 80 90
yx
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 27 / 69

39. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 28 / 69

40. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 28 / 69

41. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 28 / 69

42. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 28 / 69

43. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 28 / 69

44. x y
500
400
300
y
200
100
100 200 300 400
x
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 29 / 69

45. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 30 / 69

46. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 30 / 69

47. x y
r=0
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 30 / 69

48. x y
r=0
r
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 30 / 69

49. x y
r=0
r
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 30 / 69

50. x y
r=0
r
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 30 / 69

51. x y
r=0
r
r=1 r=1
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 30 / 69

52. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 31 / 69

53. x y
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 31 / 69

54. x y
2
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 31 / 69

55. x y
2
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 31 / 69

56. x y
2
2
y>x
ˆ y<x
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 31 / 69

57. AGENDA
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 32 / 69

58. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 33 / 69

59. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 34 / 69

60. 2
X = 0, 1, 2, ..., n Pk
P k = n C k pk · q n−k (k = 0, 1, 2, ..., n, 0 < p < 1, p + q = 1)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0 10 20 30 40 50
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 35 / 69

61. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 36 / 69

62. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 37 / 69

63. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 38 / 69

64. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 39 / 69

65. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 40 / 69

66. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 41 / 69

67. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 42 / 69

68. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 43 / 69

69. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 44 / 69

70. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 45 / 69

71. -
2006
20 17
3
H0 :
H1 :
α
5%
17
or
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 46 / 69

72. -
0.15
dbinom(win, 20, 0.5)
0.10
0.05
0.00
0 5 10 15 20
win
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 47 / 69

73. AGENDA
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 48 / 69

74. t
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 49 / 69

75. t
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 50 / 69

76. t
- t
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 51 / 69

77. t
- t
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 52 / 69

78. -
= + +
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 53 / 69

79. t
- t
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 54 / 69

80. t
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 55 / 69

81. -
4
Table: Table:
1 35 40 9 35 36
2 40 23 10 41 71
3 39 28 11 28 70
4 18 46 12 28 55
5 22 47 13 41 46
6 41 42 14 32 71
7 41 27 15 42 52
8 47 33 16 42 52
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 56 / 69

82. -
lm
aov
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 57 / 69

83. t
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 58 / 69

84. -t
4
Table: Table:
1 35 40 5 9 35 36 1
2 40 23 -17 10 41 71 30
3 39 28 -11 11 28 70 42
4 18 46 28 12 28 55 27
5 22 47 25 13 41 46 5
6 41 42 1 14 32 71 39
7 41 27 -14 15 42 52 10
8 47 33 -14 16 42 52 10
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 59 / 69

85. -t
t
t = −2.3771 p p − value = 0.03225 5%
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 60 / 69

86. AGENDA
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 61 / 69

87. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 62 / 69

88. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 63 / 69

89. 1: 2: 3: 4: 5:
Q1. 1 2 3 4 5
Q2. 1 2 3 4 5
Q3. 1 2 3 4 5
Q4. 1 2 3 4 5
Q5. 1 2 3 4 5
Q6. 1 2 3 4 5
Q7. 1 2 3 4 5
5 4 3 2 1
Q5
:
:
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 64 / 69

90. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 65 / 69

91. psy expsy
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 66 / 69

92. α
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 67 / 69

93. yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 68 / 69

94. R
yokkuns: ( 4 R (Tokyo.R#04))
R 10 14 2010/04/24 69 / 69