## [tech-spec] Problem with plotting time series & x-axis labels...

*From*: "Vincent C. Fulco" <vfulco@xxxxxxxxxxxxx>
*To*: tech-spec@xxxxxxxxxxxxx
*Date*: Wed, 26 Jan 2005 13:12:51 -0500

Dear Tech-Specs-

`In the next day or so, I will be sending some rudimentary code which
should provide a huge guffaw to the R-masters on the list but I humbly
hope that it will provide some roadmap for the newest users and maybe
facilitate some additional discussion. It is a simple project importing
federal reserve data from two e#cel spreadsheets, doing some simple
calcs including changing monthly data to quarterly averages and drawing
a chart.`

#

I have a problem though with the plot function. I've created a vector
of results from other source data vectors which plots fine but the
x-axis is simply "periods". In an attempt to add some reference dates on
the X-axis, I've tried various things including cbind() the date from
the original data vector to the calculated vector which are the same
length. It prints ok with all the data (i.e. $date, $data) intact when
I call the new "cbind()" vector to take a look but I get the following
error messages when I attempt to plot().

#

###########################################################################################

surp.defic<- round(dpi.quart-(pce.quart+resfixinv), digits=2)

> #

> plot(surp.defic, type="l", main="Household Surplus (+) or Deficit
(-)", sub= "$ Bil. SAAR", xlab="Time", ylab="Values"); abline(h=0);
#this plots fine

>
##################################################################################

> surp.defic2<- cbind(priv.res.fixinvest$date,
round(dpi.quart-(pce.quart+resfixinv), digits=2))

>

> plot(surp.defic2, type="l", main="Household Surplus (+) or Deficit
(-)", sub= "$ Bil. SAAR", xlab="Time", ylab="Values"); abline(h=0);
#obviously this is the problem plot

Error in plot.window(xlim, ylim, log, asp, ...) :

need finite xlim values

In addition: Warning messages:

1: NAs introduced by coercion

2: no finite arguments to min; returning Inf

3: no finite arguments to max; returning -Inf

#########################################################################################

* I am hoping the problem is generic enough and so simplistic that I
don't have to send all the code until I have cleaned it up. I must be
missing something elementary.
Any help would be appreciated.

Vince Fulco

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