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Matteo, you might try:<br>
<br>
d = data.frame(a = rnorm(5), b = rnorm(5), c = rnorm(5), t =
as.POSIXct(Sys.time()+1:5))<br>
library(lattice)<br>
xyplot(a+b+c~t, d, auto.key = TRUE)<br>
<br>
Hope this helps,<br>
--<br>
Edzer<br>
<br>
Matteo Dall'Amico wrote:
<blockquote cite="mid:02C5E231-79D0-4C47-B8B8-5BAD170F9771@ing.unitn.it"
type="cite">Hello,<br>
<div>I would like to raise a question about plotting: I would like to
plot on the SAME graph the temperature with time of sensors at
different depth.</div>
<div>That means, I would like to have in the same graph on the x-axis
the time, y-axis the temperature, and on the graph several curves with
different colors representing the different depth.</div>
<div>I have a file with the first column representing the time,
column 2 representing the temperature at depth1, column 3 the
temperature at depth2... and so on.</div>
<div>Does someone know how I could do that?</div>
<div>Thanks a lot in advance,</div>
<div><br class="khtml-block-placeholder">
</div>
<div>Matteo</div>
<br>
<div> <span class="Apple-style-span"
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class="Apple-style-span"
style="border-collapse: separate; border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><span
class="Apple-style-span"
style="border-collapse: separate; border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><span
class="Apple-style-span"
style="border-collapse: separate; border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><span
class="Apple-style-span"
style="border-collapse: separate; border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;">
<div>---------------------------------</div>
<div>Matteo Dall'Amico</div>
<div>PhD candidate</div>
<div>CUDAM and department of Civil and Environmental Engineering</div>
<div>Universita' degli Studi di Trento</div>
<div>Via Mesiano 77 - 38050 Trento - Italy</div>
<div>email: <a moz-do-not-send="true"
href="mailto:matteo.dallamico@ing.unitn.it">matteo.dallamico@ing.unitn.it</a></div>
<div>Tel. +39 0461 882610</div>
<div>Fax +39 0461 882672</div>
<div><a moz-do-not-send="true" href="http://www.dottorato.it/trento/">http://www.dottorato.it/trento/</a></div>
<div>---------------------------------</div>
<br class="Apple-interchange-newline">
</span></span></span></span></span></span></span> </div>
<br>
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