R help - Jul 2008 - ts.plot

Hi, my question concerns the following (guess) easy case. I have daily data
over 5-year period say
1990	17.24
1990	18.19
1990	19.22
.
.
1991	20.11
1991	20.26
1991	22.2
.
.
1994	20.05
1994	24.64
1994	26.34
and I want to make ts.plot of the 2nd column with respect to year of
occurrence (1st col) at axis X. Could you please give me a hint how to do
it? I really appreciate any help

best, robert
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On Sun, Jul 6, 2008 at 3:36 PM, threshold <r.kozarski at gmail.com>
wrote:
>
> Hi, my question concerns the following (guess) easy case. I have daily data
> over 5-year period say
> 1990    17.24
> 1990    18.19
> 1990    19.22
> .
> .
> 1991    20.11
> 1991    20.26
> 1991    22.2
> .
> .
> 1994    20.05
> 1994    24.64
> 1994    26.34
> and I want to make ts.plot of the 2nd column with respect to year of
> occurrence (1st col) at axis X. Could you please give me a hint how to do
> it? I really appreciate any help
>
Assuming from your post that the series are all in one big data frame like this:

DF <- structure(list(V1 = c(1990L, 1990L, 1990L, 1991L, 1991L, 1991L,
1994L, 1994L, 1994L), V2 = c(17.24, 18.19, 19.22, 20.11, 20.26,
22.2, 20.05, 24.64, 26.34)), .Names = c("V1", "V2"), class
"data.frame", row.names = c(NA, -9L))
DF

ser <- do.call(cbind, tapply(DF$V2, DF$V1, ts))
ts.plot(ser, col = 1:nrow(ser), type = "o")