periodicity: Transforms data codified as daily, weekly or monthly, to any...

In MedDietScore: Scores of Adherence to Mediterranean Diet and Other Tools for Nutriepidemiological Research

Description

Diferent scores of Mediterranean Diet set cutoffs of daily, weekly or monthly consumption. Additionally, a dataset can be stored as diferent frequency of consumption. This function has been created to be called by others, it just multiplies or divides by the suitable numbre (for instance, from 'daily' to 'weekly' it just multiplies by 7)

Usage

periodicity(x, OriginalFreq, TargetFreq)

Arguments

x	numeric variable or a list of numeric variables, which want to be converted
OriginalFreq	character string. The frequency in which information was captured (should be provided by user). Allowed values are 'daily', 'weekly' or 'monthly'
TargetFreq	character string. The frequency in which information has to be transformed. Allowed values are 'daily', 'weekly' or 'monthly'. Usually it will be provided by another formula, depending in its scoring scheme

Value

A numeric vector, or a list of numeric vectors.

Author(s)

Miguel Menendez

Examples

foodA <- c(1,2,3)
foodB <- c(3,2,1)
L <- list(foodA = foodA, foodB= foodB)

# Use with a numeric variable
periodicity(foodA, "daily", "weekly")

#Use with a list
periodicity(L, "daily", "weekly")

MedDietScore documentation built on April 3, 2017, 4:01 p.m.