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POfrom absolute numbers to proportion in two level data (R! SAC? plyr?)
 

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  1. POfrom absolute numbers to proportion in two level data (R! SAC? plyr?)
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    <p>I have data nested in to levels:</p> <pre><code>L1 L2 x1 x2 x3 x4 A This 20 14 12 15 A That 11 NA 8 16 A Bat Na 22 13 9 B This 10 9 11 6 B That 3 3 1 NA B Bat 4 10 2 8 </code></pre> <p>Now I want something simply - and I feel I have been able to do this just last month. But something has gone missing in my head: I want percentages (ignoring NA), summing to 100 for each variable in L1</p> <pre><code>L1 L2 x1 x2 x3 x4 A This 65% 39% 36% 38% A That 35% 0% 24% 40% A Bat 0% 61% 40% 22% </code></pre> <p>I can get the totals I need with</p> <pre><code>cast(L1~variable, data=melt(d, na.rm=T),sum) </code></pre> <p>But I guess it should be possible to cook up a function that gives me what I want? I tried various approaches with cast and plyr... But it seams xmas has already brought to many beers to my frail brain.</p> <p>Any help will be appreciated - as will any refrain from a downvote.</p> <p>Thanx</p> <p>this is my data:</p> <pre><code>d &lt;- structure(list(level1 = structure(c(1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 3L, 3L, 3L, 3L, 4L, 4L, 5L, 5L, 5L, 5L, 5L, 6L, 6L, 6L, 6L, 6L, 7L, 7L, 7L, 7L, 8L, 8L, 8L, 8L, 8L, 10L, 10L, 10L, 10L, 11L, 11L, 11L, 11L, 11L, 11L, 9L, 9L, 9L, 9L, 9L, 12L, 12L, 12L, 12L, 13L, 13L, 13L, 13L, 13L, 13L, 14L, 14L, 14L, 14L, 14L, 14L, 15L, 15L, 15L, 15L, 15L, 16L, 16L, 16L, 16L, 16L, 16L, 17L, 17L, 17L, 17L, 17L, 18L, 18L, 18L, 18L, 18L, 18L, 19L, 19L, 19L, 19L, 19L, 19L), .Label = c("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s"), class = "factor"), level2 = structure(c(6L, 2L, 1L, 3L, 5L, 6L, 1L, 3L, 5L, 6L, 1L, 3L, 5L, 6L, 5L, 6L, 1L, 3L, 5L, 4L, 6L, 2L, 1L, 3L, 5L, 6L, 1L, 5L, 4L, 6L, 2L, 1L, 3L, 5L, 6L, 1L, 3L, 5L, 6L, 2L, 1L, 3L, 5L, 4L, 6L, 2L, 1L, 3L, 5L, 6L, 1L, 3L, 5L, 6L, 2L, 1L, 3L, 5L, 4L, 6L, 2L, 1L, 3L, 5L, 4L, 6L, 2L, 1L, 3L, 5L, 6L, 2L, 1L, 3L, 5L, 4L, 6L, 2L, 1L, 3L, 5L, 6L, 2L, 1L, 3L, 5L, 4L, 6L, 2L, 1L, 3L, 5L, 4L), .Label = c("This", "That", "Phat", "Bat", "Man", "Hat"), class = "factor"), X2002 = c(28L, 9L, 17L, 8L, 95L, 18L, NA, NA, 36L, 40L, 15L, 10L, 71L, NA, 14L, 25L, 18L, NA, 56L, 5L, 29L, 5L, 13L, 8L, 65L, 23L, 8L, 34L, NA, 14L, 5L, 5L, NA, 51L, 18L, NA, 5L, 56L, 30L, 8L, 9L, 11L, 77L, 5L, 53L, 12L, 16L, 13L, 114L, 30L, 8L, NA, 52L, 38L, NA, 12L, 5L, 87L, 5L, 35L, NA, 10L, 6L, 92L, 10L, 41L, NA, 22L, 8L, 115L, 27L, 6L, 9L, NA, 47L, 9L, 29L, 6L, 11L, NA, 56L, 38L, 7L, 10L, NA, 93L, 6L, 22L, 9L, 9L, NA, 59L, 5L), X2003 = c(32L, NA, 16L, 9L, 76L, 10L, NA, 5L, 24L, 22L, 12L, 9L, 63L, 12L, 9L, 36L, 9L, 6L, 83L, 5L, 35L, NA, 12L, 8L, 82L, 19L, 5L, 53L, 5L, 10L, NA, 7L, NA, 35L, 15L, 6L, 6L, 40L, 30L, NA, 10L, 8L, 85L, 9L, 46L, NA, 14L, 9L, 106L, 24L, 6L, 7L, 56L, 33L, NA, 12L, 9L, 106L, NA, 37L, 7L, 11L, 8L, 79L, 5L, 54L, 5L, 10L, 6L, 100L, 25L, 9L, 5L, 6L, 49L, NA, 31L, NA, 13L, 10L, 79L, 46L, NA, 14L, NA, 82L, 5L, 21L, 7L, 11L, NA, 69L, NA), X2004 = c(35L, 6L, 13L, 8L, 82L, 12L, 5L, NA, 35L, 34L, 5L, 6L, 75L, 9L, 9L, 40L, 13L, 9L, 70L, NA, 41L, NA, 17L, 10L, 83L, 10L, 6L, 40L, NA, 18L, NA, 6L, NA, 34L, 10L, NA, NA, 45L, 38L, 6L, 11L, NA, 74L, NA, 45L, 5L, 12L, 9L, 131L, 34L, NA, NA, 64L, 28L, 5L, NA, NA, 93L, NA, 32L, NA, 9L, 11L, 99L, NA, 40L, NA, 18L, 8L, 104L, 14L, NA, 13L, 6L, 67L, NA, 23L, NA, 6L, 8L, 85L, 49L, NA, 19L, 7L, 102L, NA, 28L, 5L, 7L, 7L, 74L, NA), X2005 = c(36L, NA, 20L, 10L, 93L, 22L, NA, NA, 35L, 38L, 13L, 9L, 99L, NA, 14L, 48L, 17L, 7L, 70L, NA, 35L, NA, 13L, 9L, 103L, 16L, 5L, 49L, NA, 12L, NA, 5L, 8L, 51L, 15L, 7L, 5L, 45L, 40L, NA, 12L, 5L, 102L, NA, 40L, NA, 21L, 16L, 141L, 25L, 9L, 10L, 70L, 41L, NA, 10L, NA, 111L, NA, 37L, NA, 10L, 9L, 124L, NA, 37L, NA, 12L, 12L, 124L, 32L, NA, 16L, 6L, 45L, NA, 33L, NA, 8L, NA, 101L, 51L, NA, 19L, 5L, 117L, NA, 17L, NA, 11L, 5L, 73L, NA), X2006 = c(38L, NA, 22L, 13L, 103L, 15L, NA, 7L, 44L, 39L, 11L, 6L, 95L, NA, 15L, 53L, 16L, 9L, 89L, NA, 41L, NA, 12L, 13L, 87L, 30L, 6L, 43L, NA, 14L, NA, 6L, 5L, 50L, 19L, 5L, NA, 63L, 23L, NA, 6L, NA, 75L, NA, 38L, NA, 12L, 19L, 142L, 32L, 7L, 7L, 64L, 49L, NA, 13L, 12L, 114L, NA, 48L, NA, 23L, 5L, 136L, NA, 52L, NA, 15L, 16L, 127L, 24L, NA, 6L, NA, 57L, NA, 32L, NA, NA, 13L, 96L, 20L, NA, 10L, 21L, 102L, NA, 31L, NA, 5L, 12L, 93L, NA)), .Names = c("level1", "level2", "X2002", "X2003", "X2004", "X2005", "X2006"), row.names = c(NA, -93L), class = "data.frame") </code></pre>
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    1. COJust saw this: http://stackoverflow.com/questions/1785320/calculating-percent-of-row-total-with-plyr - maybe relevant. Will now go to bed. Hope to get further tomorrow.
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