[R] SmoothTrend in OpenAir

[Clint Bowman]

I was able to get the plot by converting the dates in the "date" column to 
dates, e.g.,

mytable<-read.csv("MCNP-pH.csv")
newdate<-with(mytable,strptime(date,"%m/%d/%Y"))
mytable$date<-newdate
smoothTrend(mytable, pollutant = "pH")

Clint Bowman			INTERNET:	clint at ecy.wa.gov
Air Quality Modeler		INTERNET:	clint at math.utah.edu
Department of Ecology		VOICE:		(360) 407-6815
PO Box 47600			FAX:		(360) 407-7534
Olympia, WA 98504-7600

         USPS:           PO Box 47600, Olympia, WA 98504-7600
         Parcels:        300 Desmond Drive, Lacey, WA 98503-1274

On Thu, 19 Apr 2012, David Doyle wrote:

> I'm trying to plot smooth trend using smoothTrend in OpenAir but I'm having
> problems.
>
> I used the following code.
> ---------------------------------------------------------------------------------
> #Set my working dir to the dir with my files
> setwd("c:/R")
>
> #Load the openair library
> library(openair)
>
> #Load the data
> mydata <- read.table("MCNP-pH.csv", header=TRUE, sep=",",)
>
> #Plot the data
> smoothTrend(mydata, pollutant = "pH")
> ---------------------------------------------------------------------------------
>
>
> I get the following error:
> Error in seq.int(0, to0 - from, by) : 'to' must be finite
> In addition: Warning messages:
> 1: In min.default(c(NA_real_, NA_real_, NA_real_, NA_real_, NA_real_,  :
>  no non-missing arguments to min; returning Inf
> 2: In max.default(c(NA_real_, NA_real_, NA_real_, NA_real_, NA_real_,  :
>  no non-missing arguments to max; returning -Inf
>>
>
> A copy of the data can be found at
> www.doylesdartden.com/e/MCNP-pH.csv
>
> Any suggestions??
>
> Thank you
> David
>
> 	[[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>