[R] Finding Rainfall Amount

Hafizuddin Arshad hafizuddinarshad21 at gmail.com
Wed Oct 8 04:25:49 CEST 2014


Dear R users,

I have this kind of data set which is part of my data:

structure(list(Year = c(1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1971L,
1971L, 1971L, 1971L, 1971L, 1971L, 1971L, 1972L, 1972L, 1972L,
1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L,
1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L,
1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L, 1972L), Month = c(1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L,
2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
2L, 2L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L,
9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 10L, 10L, 10L, 10L, 10L, 10L,
10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L,
10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 11L,
11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L,
11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L,
11L, 11L, 11L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L,
12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L,
12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L), Rain = c(33, 32.7, 10.1, 43.1, 0,
11.6, 3, 0, 0, 0.5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NA,
3.9, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1,
0.1, 0.1, 0.1, 0.1, 1.1, 0.1, 0.1, 0.2, 1.1, 5.5, 5, 0, 0, 0,
0, 7.5, 0, 1.5, 0, 1.1, 0.1, 2.1, 0, 0, 0, 8.4, 15.5, 5.1, 5.6,
0, 1.5, 89.9, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6.9, 0, 8.1, 1.9, 0.1,
10.3, 0.5, 3.7, 19.6, 1.6, 7.6, 1.1, 1.1, 41.2, 17.6, 0.6, 2,
0, 2.5, 0.8, 0, 0, 9, 0.3, 1.8, 0.1, 2.3, 1.2, 2.1, 0, 17.5,
7.6, 1.1, 7.8, 4, 0, 0, 0, 66.9, 0, 4.9, 0, 0, 0, 0.9, 0, 0.2,
0, 2.3, 0, 9.1, 9.6, 0, 1.6, 0.7, 0, 0, 0, 30.3, 3.1, 14.4, 0.4,
0, 1.8, 14.7, 17.3, 0, 0, 3.3, 0, 0, 0, 7.5, 0.5, 0.3, 1.2, 3.3,
0, 6.9, 16.4, 0, 5.4, 30.2, 13.9, 1.8, 0, 0, 0, 0, 0, 1.2, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NA, 28.3, 2, 0.1, 0.1, 0.1,
0.1, 0.1, 1.8, 0.2, 2, 0, 0)), .Names = c("Year", "Month", "Rain"
), class = "data.frame", row.names = c(NA, -194L))


I would like to find the rainfall total for each month within a year. The
result should be like in this form:

structure(list(V1 = c(28.4, 9.2, 48.8, 185.2, 4.1, 67.6, 49.7,
21.8, 5.6, 24.2, 0.8, 32, 88.9, 61.6, 36.8, 74, 16.3, 2.6, 7.6,
149.7, 13, 65.2, 3.8, 72.1, 49, 3.8, 24.1, 4.3, 19.6, 32.3, 5.6,
54.6, 94.2, 40.7, 101.3, 0.5, 11.7, 9.9, 86.4, 24.3, 91.3, 66.5,
13.2, 0.8, 16, 24.7, 18.1, 13.5, 126.5, 18.1, 62.5, 98.9, 212.6,
19.2, 42.4, 41.6, 73.2, 15, 43.2, 43, 1.4, 167.4, 11.4, 14, 15.6,
23.4, 23.8, 104.2, 58.8, 191.6, 37.2, 121, 36.2, 5.8, 26, 13,
18.6, 63.2, 28.6, 57.8), V2 = c(53.6, 0, 73.7, 106.8, 0, 9.2,
141.6, 32.3, 3.3, 28.5, 55.1, 0, 78.5, 71.6, 50.3, 1.3, 24.7,
201.2, 7.4, 59.9, 26.5, 46, 3.6, 5.6, 93.7, 56.1, 59.8, 33.7,
70.6, 38.9, 4.8, 18.6, 7.1, 62.2, 17.6, 17.5, 13.7, 42.2, 20.6,
18.3, 1.5, 17.1, 22.6, 2, 44.6, 8.2, 8.4, 69.6, 75.9, 59.6, 35.4,
122.9, 62.1, 43.8, 39.6, 111, 1.8, 10, 76.2, 0, 43.4, 194, 8.2,
9.8, 18.2, 5, 69.4, 1.6, 51.2, 51.2, 88.6, 43.4, 11.8, 19.6,
68.2, 48.6, 6.4, 102.4, 24.5, 73), V3 = c(1.3, 0.3, 73.4, 29.5,
58.6, 6.3, 119.7, 30, 6.3, 175.5, 66.3, 14.8, 24.2, 32.7, 28.9,
29.7, 1.6, 132.6, 10.9, 67.8, 23.7, 10.4, 53.6, 15.2, 82.4, 90.2,
3.8, 52.5, 81.2, 5.6, 67.8, 1, 3.3, 85.8, 138.6, 38, 47.8, 72.5,
5.9, 39.6, 16.5, 27.8, 39.5, 9.7, 58, 11.5, 14.8, 99.3, 48.1,
33.5, 14.3, 70.9, 17.5, 58.6, 20.8, 88.2, 72.8, 20.2, 32, 131,
52.4, 17.4, 46.6, 3.8, 35.2, 102.2, 10.6, 43.2, 33.4, 101.8,
43, 53.8, 42.8, 1.6, 45.4, 7.8, 1.2, 18, 39.4, 28), V4 = c(29.5,
0, 37.8, 9.1, 123.2, 1.8, 27.2, 44.5, 33.7, 73.2, 98.2, 29.5,
99.5, 117.7, 37.3, 19.9, 47.2, 185.8, 100, 21.9, 25, 80.5, 49.1,
7.4, 47.9, 30, 41.2, 32.8, 16.5, 88.9, 99.4, 43, 47.1, 10.2,
104.7, 21.6, 46, 89.8, 60.6, 60.4, 18.6, 24.4, 134.1, 20.9, 20.3,
2.6, 63.9, 83.8, 109.2, 54.6, 36, 134.9, 168, 24.6, 10, 14, 50.4,
35.4, 7.2, 31.6, 72.2, 38, 49.6, 36.2, 33.2, 172, 143.6, 10,
122, 6.4, 10.4, 29.4, 5.8, 118.8, 17.6, 26, 15.2, 18, 36.6, 18.6
), V5 = c(52.1, 68.4, 51.2, 20.6, 89.5, 58, 56, 37.7, 56.1, 153.7,
16.7, 58, 0, 23.7, 9.9, 40.6, 20.1, 29.7, 35.7, 4.3, 158.9, 12.2,
83.2, 28.5, 38.7, 28.7, 70.5, 38.6, 59, 100.2, 154.2, 61.7, 23.7,
67.3, 147.5, 17.5, 115.2, 12.4, 136.6, 16, 113.9, 103.5, 42.9,
48.3, 72.4, 33.6, 138.8, 67.8, 38.9, 61.8, 19.6, 51.9, 115.8,
63.8, 7.6, 78.4, 137, 30.6, 53, 55.8, 126.8, 9.2, 84.2, 61, 161.4,
111.4, 90.2, 11.2, 38.4, 32.2, 20.2, 39.8, 82, 14.6, 31.6, 36.8,
47.6, 4.6, 64.2, 24), V6 = c(65.9, 149.5, 69.4, 77.7, 102.8,
14.5, 58.1, 49.3, 37.9, 201.4, 99, 63.1, 40.9, 50.4, 105.9, 39.4,
89.1, 132, 14.2, 45.8, 104.6, 56.2, 22.6, 104.4, 58.5, 70.4,
40.8, 23.8, 31.5, 100.7, 144.4, 96.4, 45.4, 89.2, 127.5, 120.2,
18.8, 38.5, 21.3, 70.4, 94.3, 86.5, 80.5, 16.4, 77.5, 37.4, 58,
20.4, 42.5, 42.5, 11, 102.1, 19.3, 13.2, 25, 96.2, 64.8, 60.4,
170.6, 31.8, 66.8, 11.6, 68.2, 35.4, 75, 62.8, 81.2, 162.1, 55,
30.8, 101.2, 97.8, 24, 64.6, 46.2, 71, 103.3, 131.6, 33, 24.8
), V7 = c(72.6, 87.1, 34, 71.4, 62.8, 94.7, 59.2, 29, 54.7, 62.9,
54.1, 50.3, 100.4, 95, 142.2, 26.8, 32.5, 51.2, 40.7, 63.9, 43.8,
71.8, 29.2, 49.7, 145.8, 119.1, 29.7, 78.3, 69.7, 89.2, 73, 72,
45.4, 109.6, 128.8, 60.8, 122.4, 44.3, 139.5, 64.8, 46.5, 90.9,
165.8, 53.2, 57.4, 31.8, 61.6, 134.9, 42.9, 56.1, 46, 96.7, 149.6,
110.6, 43, 31.6, 119.6, 72, 157.6, 17, 101.6, 110.2, 48.6, 191.8,
106.6, 53.2, 154.4, 95.8, 42, 147.4, 52.2, 96.8, 24.6, 76.4,
29.4, 87.6, 71.9, 73.2, 104.3, 80), V8 = c(67.6, 59.2, 108.4,
35.9, 88.2, 91.3, 22.8, 49.6, 77.9, 67.6, 91.2, 48.9, 124.6,
54.6, 85.8, 62.8, 63.3, 174.7, 32.3, 22.7, 99.9, 123.2, 4.8,
149, 66, 73.9, 37.4, 22.4, 69.5, 87.3, 66.9, 87.2, 81.5, 109.1,
47.4, 22.8, 92.4, 60.9, 77.5, 91.3, 91.9, 78.2, 39.4, 107.5,
57.9, 65.5, 76, 47.2, 145.5, 95.9, 106, 120.4, 108, 96.8, 30.2,
16.6, 54, 63, 120.6, 10, 144.2, 126.4, 160.6, 88.2, 23.4, 83.8,
110.8, 99.8, 128.8, 35.1, 18.6, 84, 80.8, 78.6, 53.8, 142.2,
67.8, 126, 19.9, 49.8), V9 = c(58.7, 35.7, 50.7, 49.3, 38.9,
22.4, 28, 79.2, 24.9, 36.7, 34.5, 94.4, 51, 87.2, 11.4, 82, 25.2,
43.8, 50, 42.5, 51, 56.3, 8.4, 29.2, 5.4, 70.7, 48.1, 63.1, 84.5,
53, 82.4, 99.1, 30.6, 74.2, 74.6, 43, 71.2, 67, 111.5, 29, 51.2,
106, 132.9, 64.6, 114.2, 32.5, 21.7, 69.1, 126.1, 42.7, 15.3,
76.7, 79.6, 93.4, 93.8, 31.6, 129, 54.6, 57.8, 45.4, 82.2, 68.8,
31.6, 63.4, 61.2, 47, 49.6, 85.8, 133.4, 125.8, 24.8, 93.8, 67.8,
135, 50.2, 57.4, 50.6, 125.4, 10.8, 23.6), V10 = c(34.5, 55.1,
61.6, 17.6, 53.7, 89.5, 69.9, 28.8, 98.6, 47.8, 45.7, 30.1, 203,
107, 32.5, 73.6, 9.7, 84.9, 3.6, 32.7, 79.1, 35.5, 69.9, 81,
20, 85.3, 127.9, 214.7, 113.1, 83, 101.1, 59.1, 41.7, 145.7,
95.4, 50.5, 123.2, 82.6, 37.6, 41.8, 68, 82.6, 97, 51.2, 121.7,
46.1, 64.8, 54.2, 31, 38.9, 20.8, 106.7, 137.8, 180.8, 111.4,
16.2, 51, 63.6, 26.8, 9.2, 85, 74, 94.8, 131.4, 23.4, 70.8, 72.4,
8.6, 168, 126, 24.2, 58.2, 13.8, 40, 6.4, 85.5, 6.2, 107, 29.4,
12.2), V11 = c(0, 30.4, 125.3, 16.8, 16.6, 18, 5.3, 26.5, 42.5,
87.1, 33.3, 61.5, 151.9, 13.3, 13, 25, 5.1, 118.1, 41.6, 34.5,
49.5, 66.8, 14.3, 44.5, 103.5, 59.3, 74, 103.3, 61.5, 23, 73.5,
48.9, 158.7, 49, 32.1, 19.1, 50.5, 99.6, 47.5, 56.1, 32, 38.3,
40.7, 36.8, 63.9, 9.4, 49.9, 33.5, 101, 150.3, 36.9, 82.2, 39.4,
14.2, 45.4, 15.8, 88.4, 19.8, 22.2, 2.8, 37.4, 9.2, 62.6, 37.6,
81, 33.2, 9, 11.8, 96, 80.8, 52.8, 46.4, 49.2, 94.2, 15.2, 86.2,
100.6, 56.2, 90.6, 74.4), V12 = c(38.8, 86.8, 73.4, 0, 32.5,
36.3, 3.3, 44.2, 157.5, 1, 22.1, 179.7, 42, 37.1, 184.2, 31.5,
1.5, 3.8, 54.7, 19.3, 19.9, 0.5, 45.5, 15.8, 42.7, 104.7, 52.6,
15.4, 67.4, 21.7, 66.5, 11.8, 124.4, 39.3, 17.3, 77.5, 11.4,
18, 68.2, 77, 41.3, 16.3, 61.6, 24.6, 197.3, 4.6, 62.1, 24.4,
37.9, 97.7, 1.3, 69.8, 13.9, 98.4, 30.6, 8.6, 43.4, 102, 35,
21.8, 55.4, 18.2, 67.6, 47, 127.8, 28.2, 14, 67.8, 112, 136.6,
35.2, 35.8, 9.6, 13, 8.8, 119.6, 68.4, 45.8, 77, 56.6)), .Names = c("V1",
"V2", "V3", "V4", "V5", "V6", "V7", "V8", "V9", "V10", "V11",
"V12"), class = "data.frame", row.names = c(NA, -80L))

where V1 until V12 as month and 1 until 80 as a years. How can I do this in
R? Thank you for helping me.


Arshad

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