[R] xtable - how to add a "sum of values in a row" column?

[Ken-JP]

Hi,

I saw this example for 2.10 Time series in the xtable gallery documentation.

http://cran.r-project.org/web/packages/xtable/vignettes/xtableGallery.pdf 

How would I add a column at the end "Total" which sums the row, with minimal
changes to the code below?

Thanks in advance.

- Ken

2.10 Time series
> temp.ts <- ts(cumsum(1 + round(rnorm(100), 0)), start = c(1954,
+ 7), frequency = 12)
> temp.table <- xtable(temp.ts, digits = 0)
> caption(temp.table) <- "Time series example"
> print(temp.table, floating = FALSE)

Time series example
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1954 2 3 6 8 11 10
1955 11 13 15 16 16 18 20 22 21 22 24 24
1956 25 26 28 28 28 28 29 31 31 32 33 34
1957 35 36 38 39 39 41 42 42 41 42 43 45
1958 46 46 47 47 49 51 54 56 58 59 61 61
1959 62 61 62 62 62 63 62 64 64 66 67 68
1960 67 67 69 71 74 75 77 78 79 80 82 81
1961 84 86 87 88 89 91 94 94 94 94 96 97
1962 98 99 101 102 104 105 108 107 106 107


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