fitCalCurves <- function(data, loc = 'plots', tarList){
ggplot2::theme_set(ggthemes::theme_few(base_size = 16))
tarList <- unique(data$Target)
fit <- list()
for(i in tarList) {
tarDat <- dplyr::filter(data, Target == i)
y <- tarDat$NetShift
x <- tarDat$Concentration
startA <- max(tarDat$NetShift)
startB <- min(tarDat$NetShift)
startC <- median(tarDat$NetShift)
startD <- 1
tarFit <- tryCatch({fit.info <- nls(formula = y ~ A + (B - A) /
(1 + (x / C) ^ D),
start = list(A = 10000,
B = 100,
C = 4000,
D = 1))
},
error = function(e) {"failed"},
finally = print(i))
if(tarFit[1] != "failed"){
fit[[i]] <- broom::tidy(fit.info)
fit[[i]]$Target <- unique(tarDat$Target)
A <- as.numeric(coef(fit.info)[1])
B <- as.numeric(coef(fit.info)[2])
C <- as.numeric(coef(fit.info)[3])
D <- as.numeric(coef(fit.info)[4])
testFun <- function(x) {A + (B - A) / (1 + (x / C) ^ D)}
plot <- ggplot2::ggplot(tarDat,
ggplot2::aes(x = Concentration,
y = NetShift,
group = Concentration)) +
ggplot2::geom_boxplot(fill = "red") +
ggplot2::stat_function(fun = testFun,
color = "blue", size = 1) +
ggplot2::scale_x_log10(breaks = scales::trans_breaks("log10",
function(x) 10^x),
labels = scales::trans_format("log10",
scales::math_format(10 ^ .x))) +
ggplot2::labs(x = "Analyte Concentration (pg/mL)",
y = expression(paste("Relative Shift (",
Delta,
"pm)"))) +
ggplot2::annotation_logticks()
ggplot2::ggsave(plot,
filename = paste0(i, "CalCurve.png"),
width = 8, height = 6)
}
}
fit <- dplyr::bind_rows(fit)
capture.output(fit, file = "fitInfo.txt")
readr::write_csv(fit, path = "fitInfo.csv")
}
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