search for: smoothtrend

Displaying 2 results from an estimated 2 matches for "smoothtrend".

2012 Apr 19
1
SmoothTrend in OpenAir
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.ta...
2011 Sep 02
2
Chemical Names in Data Frames
...cal having its own column. However, these are organic chemicals (e.g. 1-butene, 2,3,4-trimethylbenzene etc). The package I am going to be using the data with is openair, and many of the great functions require you to specify a column name which does not seem to work with improper column names- e.g. smoothTrend(mydata, pollutant="1-Butene" and smoothTrend(mydata, pollutant=mydata[,"1-Butene"]) I was wondering if there was a function to automatically convert these chemical names (with all sorts of numbers and minuses in the beginning) to something openair can handle? Or am I going to...