EGRET (version 2.3.0)

removeDuplicates: Remove Duplicates

Description

Removes observations from the data frame Sample when the observation has the identical date and value as another observation

Usage

removeDuplicates(Sample)

Arguments

Sample

dataframe with at least DecYear and ConcHigh, default name is Sample

Value

• A data frame 'Sample' with the following columns: lll{ Name Type Description Date Date Date ConcLow numeric Lower limit of concentration ConcHigh numeric Upper limit of concentration Uncen integer Uncensored data (1=TRUE, 0=FALSE) ConcAve numeric Average concentration Julian integer Number of days since Jan. 1, 1850 Month integer Month of the year [1-12] Day integer Day of the year [1-366] DecYear numeric Decimal year MonthSeq integer Number of months since January 1, 1850 SinDY numeric Sine of the DecYear CosDY numeric Cosine of the DecYear }

Examples

DecYear <- c('1985.01', '1985.01', '1985.02', '1985.02', '1985.03')
ConcHigh <- c(1,2,3,3,5)
dataInput <- data.frame(DecYear, ConcHigh, stringsAsFactors=FALSE)
Sample <- removeDuplicates(dataInput)