removeDuplicates: Remove duplicates values from Sample data frame.

View source: R/removeDuplicates.r

removeDuplicatesR Documentation

Remove duplicates values from Sample data frame.

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:

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)

USGS-R/EGRET documentation built on Feb. 9, 2024, 5:30 p.m.