[Qpcr-commits] r103 - pkg/NormqPCR/R

noreply at r-forge.r-project.org noreply at r-forge.r-project.org
Mon May 17 00:54:21 CEST 2010


Author: jperkins
Date: 2010-05-17 00:54:21 +0200 (Mon, 17 May 2010)
New Revision: 103

Removed:
   pkg/NormqPCR/R/deltaDeltaAvgCt.R
   pkg/NormqPCR/R/gM_ddAvgCt.R
Modified:
   pkg/NormqPCR/R/deltaCt.R
   pkg/NormqPCR/R/deltaDeltaCt.R
Log:
cleaning up a few things and the vignette

Modified: pkg/NormqPCR/R/deltaCt.R
===================================================================
--- pkg/NormqPCR/R/deltaCt.R	2010-05-16 17:23:06 UTC (rev 102)
+++ pkg/NormqPCR/R/deltaCt.R	2010-05-16 22:54:21 UTC (rev 103)
@@ -1,9 +1,9 @@
 setGeneric("deltaCt",
-  function(qPCRBatch, hkgs)
+  function(qPCRBatch, hkgs, combineHkgs=FALSE)
   standardGeneric("deltaCt")
 )
 setMethod("deltaCt", signature = "qPCRBatch", definition =
-  function(qPCRBatch, hkgs) {
+  function(qPCRBatch, hkgs, combineHkgs) {
     hkgs <- make.names(hkgs)
     if(FALSE %in% (hkgs %in% featureNames(qPCRBatch))) stop ("given housekeeping gene, ", hkgs," not found in file. Ensure entered housekeeping genes appear in the file")
     expM <- exprs(qPCRBatch)

Deleted: pkg/NormqPCR/R/deltaDeltaAvgCt.R
===================================================================
--- pkg/NormqPCR/R/deltaDeltaAvgCt.R	2010-05-16 17:23:06 UTC (rev 102)
+++ pkg/NormqPCR/R/deltaDeltaAvgCt.R	2010-05-16 22:54:21 UTC (rev 103)
@@ -1,92 +0,0 @@
-setGeneric("deltaDeltaAvgCt",
-  function(qPCRBatch, maxNACase=0, maxNAControl=0, hkg, contrastM, case, control)
-  standardGeneric("deltaDeltaAvgCt")
-)
-setMethod("deltaDeltaAvgCt", signature = "qPCRBatch", definition =
-  function(qPCRBatch, maxNACase, maxNAControl, hkg, contrastM, case, control) {
-    hkg <- make.names(hkg)
-    if(! hkg %in% featureNames(qPCRBatch)) stop("invalid housekeeping gene")
-    if(sum(is.na(hkg)) > 0) warning(hkg, " May be a bad housekeeping gene to normalise with since it did not produce a reading ", sum(is.na(hkg)), "times out of", length(hkg), ".")
-
-    case <- row.names(contrastM)[contrastM[,case] == 1]
-    control <- row.names(contrastM)[contrastM[,control] == 1]
-    expM <- exprs(qPCRBatch)
-    caseM <- expM[,case]
-    controlM <- expM[,control]
-    hkgVCase <- caseM[hkg, ]
-    hkgVControl <- controlM[hkg, ]
-
-    if(length(hkgVCase) == 1 || length(hkgVControl) == 1) {
-      meanHkgCase <- hkgVCase
-      meanHkgControl <- hkgVControl
-      sdHkgCase <- NA
-      sdHkgControl <- NA
-    }
-    else {
-      meanHkgCase <- geomMean(hkgVCase, na.rm=TRUE)
-      meanHkgControl <- geomMean(hkgVControl, na.rm=TRUE)
-      sdHkgCase <- sd(hkgVCase, na.rm=TRUE)
-      sdHkgControl <- sd(hkgVControl, na.rm=TRUE)
-    }
-    if(is.na(meanHkgCase) || is.na(meanHkgControl)) stop("Need at least 1 non NA for the housekeeper")
-
-    ddCts <- vector(length=length(featureNames(qPCRBatch)))
-    minddCts <- vector(length=length(ddCts))
-    maxddCts <- vector(length=length(ddCts))
-
-    i <- 1
-    for (detector in featureNames(qPCRBatch)) {
-          VCase <- caseM[detector,]
-          VControl <- controlM[detector,]
-          if(! FALSE %in% is.na(VCase)) {
-              warning("No Detector for Case")
-              VCase <- rep(NA, length(VCase))
-          }
-          else meanCase <- geomMean(VCase, na.rm=TRUE)
-          if(! FALSE %in% is.na(VControl)) {
-              warning("No Detector for Control")
-              VControl <- rep(NA, length(VControl))
-          }
-          else meanControl <- geomMean(VControl, na.rm=TRUE)
-          sdCase <- sd(VCase, na.rm=TRUE)
-          sdControl <- sd(VControl, na.rm=TRUE)
-
-        if(sum(is.na(VCase)) > maxNACase) {
-          meanCase <- NA
-          sdCase <- NA
-        }
-        else {
-          meanCase <- geomMean(VCase, na.rm=TRUE)
-          sdCase <- sd(VCase, na.rm=TRUE)
-        }
-        if(sum(is.na(VControl)) > maxNAControl) {
-          meanControl <- NA
-          sdControl <- NA
-        }
-        else {
-          meanControl <- geomMean(VControl, na.rm=TRUE)
-          sdControl <- sd(VControl, na.rm=TRUE)
-        }
-        dCtCase <- meanCase - meanHkgCase
-        dCtControl <- meanControl - meanHkgControl
-        ddCt <- (dCtCase - dCtControl)
-
-        if(is.na(ddCt)) {
-          if(is.na(dCtCase) && ! is.na(dCtControl)) ddCt <- "-"
-          else if(is.na(dCtControl) && ! is.na(dCtCase)) ddCt <- "+"
-          else if(is.na(dCtControl) && is.na(dCtCase)) ddCt <- NA
-          minddCts[i] <- NA
-          maxddCts[i] <- NA
-          ddCts[i] <- ddCt
-        }
-        else {
-          sdCt <- sqrt((sdControl^2) + (sdCase^2))
-          minddCts[i] <- 2 ^ -(ddCt + sdCt)
-          maxddCts[i] <- 2 ^ -(ddCt - sdCt)
-          ddCts[i] <- 2^-ddCt
-        }
-        i <- i+1
-    }
-    return(cbind(featureNames(qPCRBatch),ddCts,minddCts,maxddCts))
-  }
-)

Modified: pkg/NormqPCR/R/deltaDeltaCt.R
===================================================================
--- pkg/NormqPCR/R/deltaDeltaCt.R	2010-05-16 17:23:06 UTC (rev 102)
+++ pkg/NormqPCR/R/deltaDeltaCt.R	2010-05-16 22:54:21 UTC (rev 103)
@@ -1,11 +1,11 @@
 setGeneric("deltaDeltaCt",
-  function(qPCRBatch, maxNACase=0, maxNAControl=0, hkgs, contrastM, case, control, paired=TRUE, combineHkg=FALSE)
+  function(qPCRBatch, maxNACase=0, maxNAControl=0, hkgs, contrastM, case, control, paired=TRUE, combineHkgs=FALSE)
   standardGeneric("deltaDeltaCt")
 )
 setMethod("deltaDeltaCt", signature = "qPCRBatch", definition =
-  function(qPCRBatch, maxNACase, maxNAControl, hkgs, contrastM, case, control, paired, combineHkg) {
+  function(qPCRBatch, maxNACase, maxNAControl, hkgs, contrastM, case, control, paired, combineHkgs) {
     hkgs <- make.names(hkgs)
-    if(combineHkg == TRUE) {
+    if(combineHkgs == TRUE) {
 	if(length(hkgs) == 1) stop("Not enough hkgs given")
     }
 #    for(hkg in hkgs) {
@@ -22,11 +22,11 @@
 
 #    hkgMCase <- caseM[hkgs, ]
 #    hkgMControl <- controlM[hkgs, ]
-    if(combineHkg == TRUE) {
+    if(combineHkgs == TRUE) {
 	hkgMCase <- caseM[hkgs, ]
         hkgMControl <- controlM[hkgs, ]
-	hkgVCase <- apply(hkgMCase, 2, geomMean, na.rm=TRUE)
-	hkgVControl <- apply(hkgMControl, 2, geomMean, na.rm=TRUE)
+	hkgVCase <- apply(hkgMCase, 2, mean, na.rm=TRUE)
+	hkgVControl <- apply(hkgMControl, 2, mean, na.rm=TRUE)
     } else {
         hkg <- hkgs[1]
     }
@@ -62,7 +62,7 @@
           dCtCase <- rep(NA, length = VCase)
           dCtControl <- NA
         } else {
-          dCtCase <- geomMean(VCase, na.rm=TRUE) - geomMean(hkgVCase, na.rm=TRUE)
+          dCtCase <- mean(VCase, na.rm=TRUE) - mean(hkgVCase, na.rm=TRUE)
 	  if (paired == TRUE) {
 	    sdCase <- sd(VCase - hkgVCase, na.rm=TRUE)
 	  } else  {
@@ -77,7 +77,7 @@
           warning("No Detector for Control")
           dCtControl <- rep(NA, length = VControl)
         } else {
-          dCtControl <- geomMean(VControl, na.rm=TRUE) - geomMean(hkgVControl, na.rm=TRUE)
+          dCtControl <- mean(VControl, na.rm=TRUE) - mean(hkgVControl, na.rm=TRUE)
           if (paired == TRUE) {
             sdControl <- sd(VControl - hkgVControl, na.rm=TRUE)
           } else  {

Deleted: pkg/NormqPCR/R/gM_ddAvgCt.R
===================================================================
--- pkg/NormqPCR/R/gM_ddAvgCt.R	2010-05-16 17:23:06 UTC (rev 102)
+++ pkg/NormqPCR/R/gM_ddAvgCt.R	2010-05-16 22:54:21 UTC (rev 103)
@@ -1,104 +0,0 @@
-setGeneric("gM_ddAvgCt",
-  function(qPCRBatch, maxNACase=0, maxNAControl=0, hkgs, contrastM, case, control)
-  standardGeneric("gM_ddAvgCt")
-)
-setMethod("gM_ddAvgCt", signature = "qPCRBatch", definition =
-  function(qPCRBatch, maxNACase, maxNAControl, hkgs, contrastM, case, control) {
-    if(length(hkgs)<=1) stop("More than 1 houskeeping gene required")
-    hkgs <- make.names(hkgs)
-    if(FALSE %in% (hkgs %in% featureNames(qPCRBatch))) stop("invalid housekeeping gene")
-
-
-
-    case <- row.names(contrastM)[contrastM[,case] == 1]
-    control <- row.names(contrastM)[contrastM[,control] == 1]
-    expM <- exprs(qPCRBatch)
-    caseM <- expM[,case]
-    controlM <- expM[,control]
-    hkgM <- expM[hkgs,]
-#return(hkgM)
-    if (TRUE %in% apply(apply(hkgM, 1, is.na),2,sum)>0)  {
-        warning("NAs present in housekeeping genes. NAs will be excluded when combining housekeepers to make pseudogenes")
-        if (0 %in% apply(! apply(hkgM, 1, is.na),2,sum)) stop("Need at least 1 non NA for each housekeeper")
-    }
-    hkgMCase <- caseM[hkgs, ]
-    hkgMControl <- controlM[hkgs, ]
-
-hkgVCase <- apply(hkgMCase, 2, geomMean, na.rm=TRUE)
-hkgVControl <- apply(hkgMControl, 2, geomMean, na.rm=TRUE)
-    ##############################################
-    # Here we use the geoMean function to find the geometric mean of the chosen housekeepers
-
-
-    if(! FALSE %in% is.na(hkgVCase) || ! FALSE %in% is.na(hkgVControl)) stop("Need at least 1 non NA for the housekeeper")
-    gMhkgControl <- geomMean(hkgVControl, na.rm=TRUE)
-    gMhkgCase <- geomMean(hkgVCase, na.rm=TRUE)
-
-    ddCts <- vector(length=length(featureNames(qPCRBatch)))
-    minddCts <- vector(length=length(ddCts))
-    maxddCts <- vector(length=length(ddCts))
-
-    i <- 1
-    for (detector in featureNames(qPCRBatch)) {
-        VCase <- caseM[detector,]
-        VControl <- controlM[detector,]
-        if(! FALSE %in% is.na(VCase)) { 
-          warning("No Detector for Case")
-          dCtCase <- rep(NA, length(VCase))
-          sdCase <- NA
-        }
-#        if(length(VCase) == 1) {
-#          warning("Only one Detector for Case")
-#          dCtCase <- VCase
-#          sdCase <- NA
-#        }
-        else {
-          dCtCase <- geomMean(VCase, na.rm=T) - gMhkgCase
-          sdCase <- sd(VCase, na.rm=TRUE)
-        }
-#        if(length(VControl) == 1) {
-#          warning("Only one Detector for Control")
-#          dCtControl <- VControl
-#        }
-        if(! FALSE %in% is.na(VControl)) {            
-          warning("No Detector for Control")
-          dCtControl <- rep(NA, length(VControl))
-          sdControl <- NA
-        }
-        else {
-          dCtControl <- geomMean(VControl, na.rm=TRUE) - gMhkgControl
-          sdControl <- sd(VControl, na.rm=TRUE)
-        }
-        if(sum(is.na(VCase)) > maxNACase) {
-          dCtCase <- NA
-        }
-        if(sum(is.na(VControl)) > maxNAControl) {
-          dCtControl <- NA
-        }
-        ddCt <- (dCtCase - dCtControl)
-        
-        if(is.na(ddCt)) {
-          if(is.na(dCtCase) && ! is.na(dCtControl)) ddCt <- "-"
-          else if(is.na(dCtControl) && ! is.na(dCtCase)) ddCt <- "+"
-          else if(is.na(dCtControl) && is.na(dCtCase)) ddCt <- NA
-          minddCts[i] <- NA
-          maxddCts[i] <- NA
-          ddCts[i] <- ddCt
-        }
-        else {
-          if(is.na(sdCase) | is.na(sdControl)) {
-            minddCts[i] <- NA
-            maxddCts[i] <- NA
-          }
-          else {
-            sdCt <- sqrt((sdCase^2) + (sdControl^2))
-            minddCts[i] <- 2 ^ -(ddCt + sdCt)
-            maxddCts[i] <- 2 ^ -(ddCt - sdCt)
-            ddCts[i] <- 2^-ddCt
-          }
-        }
-        i <- i+1
-    }
-    return(cbind(featureNames(qPCRBatch),ddCts,minddCts,maxddCts))
-  }
-)



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