search for: datayear

...to the threshold values. The function in excel is INDEX and in R is which.min. R method: # convert data zoo_date <- strptime(mc_pheno$zoo_date,"%m/%d/%Y") # check dates str(zoo_date) # prepare data frame data<-na.omit(data.frame(date=zoo_date,sp=mc_pheno[,2]) # start the series datayear<-data[format(data$date,"%Y")==1984,] # calculate cumulative sum datayear$cumsum<-cumsum(datayear$sp) # calculate cumsum standardised datayear$cumsum<-cumsum(datayear$sp)/max(cumsum(datayear$sp)) # take index of minimum value of cumsum idq15<-which.min(mean(.15-datayear$cum...

...as different years in it. I am writing scripts using R and I would like to give a month a generic name and then use the generic name to do different analysis. The reason for the generic name would be so that I only have to change one thing if I wanted to change the year. For example. Year1 = 1999 datayear <- subset(dataset, Year = Year1) I would want to subset for whatever year is in "Year1". I am not sure if R does this but it would be great if it does. Is there also anyway for R to ask the user for the variable in the console without going into the script and then use whatever the...

Hi there, Thanks for your time in advance. I am trying to read in multiple files. For example, data.1940 <- read.table("c:/data/1940.csv",header=TRUE,sep=",") data.1950 <- read.table("c:/data/1950.csv",header=TRUE,sep=",") data.1960 <- read.table("c:/data/1960.csv",header=TRUE,sep=",") How can I write a loop to read the