Updated *_mthds.R and invitrodb to reflect new method desc

DESCRIPTION

@@ -10,6 +10,7 @@ Authors@R: c(
     person("Lori","Kolaczkowski",role = "ctb",email = "[email protected]"),
     person("Kurt", "Dunham", role = "ctb", email = "[email protected]"),
     person("Carter", "Thunes", role = "ctb", email = "[email protected]"),
+    person("Ashley", "Ko", role = "ctb", email = "[email protected]"),
     person("Todd", "Zurlinden", role="ctb"),
     person("Parth", "Kothiya", role = "ctb"),
     person("Woodrow R", "Setzer", role = "ctb"),

R/mc2_mthds.R

@@ -30,17 +30,27 @@
 #' available in the package vignette, "Pipeline_Overview."
 #' 
 #' \describe{
-#'   \item{log2}{Take the logarithm of cval with the base 2.}
-#'   \item{log10}{Take the logarithm of cval with the base 10.}
-#'   \item{rmneg}{Remove entries where cval is less than 0.}
-#'   \item{rmzero}{Remove entries where cval is 0.}
-#'   \item{mult25}{Multiply cval by 25.}
-#'   \item{mult100}{Multiply cval by 100.}
-#'   \item{negshift}{Shift cval by subtracting out the minimum of cval and 
-#'   adding 1, such that the new minimum of cval is 1.}
-#'   \item{mult25}{Multiply cval by 2.5.}
-#'   \item{mult3}{Multiply cval by 3.}
-#'   \item{mult6}{Multiply cval by 6.}
+#'   \item{log2}{Transform the corrected response value (cval) to log-scale (base 2).}
+#'   \item{log10}{Transform the corrected response value (cval) to log-scale (base 10).}
+#'   \item{rmneg}{Exclude wells with negative corrected response values (cval) and downgrading 
+#'   their well quality (wllq); if cval < 0, wllq = 0.}
+#'   \item{rmzero}{Exclude wells with corrected response values (cval) equal to zero and 
+#'   downgrading their well quality (wllq); if cval = 0, wllq = 0.}
+#'   \item{mult25}{Multiply corrected response value (cval) by 25; 25*cval.}
+#'   \item{mult100}{Multiply corrected response value (cval) by 100; 100*cval.}
+#'   \item{negshift}{Shift corrected response values (cval) by subtracting the minimum cval and 
+#'   adding 1, such that the new minimum is 1; cval - min + 1.}
+#'   \item{mult2.5}{Multiply corrected response value (cval) by 2.5; 2.5*cval.}
+#'   \item{mult3}{Multiply corrected response value (cval) by 3; 3*cval.}
+#'   \item{mult6}{Multiply corrected response value (cval) by 6; 6*cval.}
+#'   \item{sub100}{Center data around zero by subtracting the corrected response value (cval) from 
+#'   100; 100 - cval. Typically used if data was pre-normalized around 100 with responses 
+#'   decreasing to 0.}
+#'   \item{zscore.npwlls}{Convert the corrected response value (cval) to an absolute Z-Score based 
+#'   on the neutral and positive control wells (wllts = n and p), by assay plate ID (apid); 
+#'   cval = |(cval - (mean cval for wllt = n and p)) / (sd cval for wllt = n and p)|.}
+#'   \item{sub1}{Center data around zero by subtracting the corrected response value (cval) from 1; 
+#'   1 - cval. Typically used if data was pre-normalized around 1 with responses decreasing to 0.}
 #' }
 #' 
 #' @note