I am trying to plot data that I imported with read. table using a Weibull distribution. Here's the code I used for importing the data:
data <- read.table(file = "C:/Users/Steven/OneDrive/Unfiled/Temp/phase2.csv", header = FALSE, sep = ",", dec = ".", col.names = c("cycle_time", "cycle_length", "red_time", "prot_green", "perm_green", "veh_count", "vc", "max_delay", "prot_occ", "perm_occ", "red5_occ", "gor", "ror", "arrival_time"), na.strings = "NA") And here's my code for plotting: curve(dexp(data(arrival_time), rate=0.06), from = 0, to = 60, main = "Exponential distribution") I keep getting this error message: Error in curve(dexp(data(arrival_time), rate = 0.06), from = 0, to = 60, : 'expr' must be a function, or a call or an expression containing 'x' How to I begin to troubleshoot this? The only thing I can think of is that my variable of interest, "arrival_time", does contain a number of rows with blanks, but would that be the underlying cause? If so, can I get the function to ignore blank rows? ______________________________________________ R-help@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.