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POBarplot: changing x axe and adding line
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copied!<p>I have a zoo with daily data that looks like this: <code>> head(almorol)<br> 1973-10-02 1973-10-03 1973-10-04 1973-10-05 1973-10-06 1973-10-07<br> 183.9 208.2 153.7 84.8 52.5 35.5</code> </p> <p>I want to plot annual totals and a moving average so I did: </p> <p><code>y<-apply.yearly(almorol, FUN=sum)<br> plot(y, main="Annual totals - Tagus (Almorol)",ylab="Q (m3/s)")<br> lines(rollapply(y, 10, mean, na.rm=TRUE), col="red", lwd=2)</code> </p> <p>Which works fine, but because the data is not continuous a line graph is not correct. If I do it with points is hard to follow so I wanted to do a barplot. However when I do <code>barplot(y)</code> the x axe appears in the format yy-mm-dd instead of just years and I can't add a line with the moving average (it doesn't give an error it just doesn't appear). </p> <p>Thanks for helping!</p> <p>edit: <code>> y<br> 1973-12-31 1974-12-31 1975-12-31 1976-12-31<br> 19224.20 103766.30 72180.90 55939.80<br> 1977-12-31 1978-12-31 1979-12-31 1980-12-31<br> 215905.00 231014.21 319481.02 58979.84<br> 1981-12-31 1982-12-31 1983-12-31 1984-12-31<br> 32931.17 67989.06 83920.62 99431.75<br> 1985-12-31 1986-12-31 1987-12-31 1988-12-31<br> 161357.10 82910.87 101154.81 147541.80<br> 1989-12-31 1990-12-31 1991-12-31 1992-12-31<br> 137684.21 134974.39 89039.02 20774.72<br> 1993-12-31 1994-12-31 1995-12-31 1996-12-31<br> 58916.95 55187.38 52361.77 271064.34<br> 1997-12-31 1998-12-31 1999-12-31 2000-12-31<br> 220510.88 125116.62 42170.95 103915.99<br> 2001-12-31 2002-12-31 2003-12-31 2004-12-31<br> 244513.59 66811.15 167458.93 67223.66<br> 2005-12-31 2006-12-31 2007-12-31 2008-12-31<br> 8906.31 116874.33 79105.30 40142.61<br> 2009-12-31 2010-12-31 2011-05-31<br> 43835.34 161491.77 73093.06</code> </p>

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