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SmoothTrend in OpenAir
2 messages · David Doyle, 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
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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]]
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