firstsMeasurements: First Measurements per Group

In ITGM: Individual Tree Growth Modeling

Description

this function generates a field "primeiraMedicao" that contains the lowest age for each item in the group both derived from dtFrame

Usage

firstsMeasurements(dtFrame, group = "parcela", age = "idadearred")

Arguments

dtFrame	It is the database that contains the data
group	is the field that represents the groups default parcela
age	default idadearred is the name of field containing the values of the group

Value

data.frame dtFrame with the field "primeiraMedicao"

Examples

dtf = data.frame(
grupo = c(1,2,3,4,1,2,3,4),
medicoes= c(10,20,30,40,5,30,1,52))
firstsMeasurements(dtf, group = "grupo", age = "medicoes")

ITGM documentation built on Jan. 20, 2021, 5:06 p.m.