Fixing FMPS Data

Coding Language: R (tested in R 4.2.3 and RStudio 2023.03.0)

Objective: Read TSI WCPC^a and FMPS^b data, modify files to account for lag time and time series alignement, and change FMPS signal.

References: Zimmerman N, Jeong CH, Wang JM, Ramos M, Wallace JS, Evans GJ. A source-independent empirical correction procedure for the fast mobility and engine exhaust particle sizers. Atmospheric Environment. 2015 Jan 1;100:178-84. (https://wwww.sciencedirect.com/science/article/pii/S1352231014008516)

^aWCPC: Water Condensation Particle Counter

^bFMPS: Fast Mobility Particle Spectrometer

Required R packages:

install.packages(readxl)
install.packages(openair)
install.packages(tidyverse)
install.packages(xts)
install.packages(forecast)

library(readxl)
library(openair)
library(tidyverse)
library(xts)
library(forecast)