## ---- echo = FALSE, results = "asis"-------------------------------------------------------------------------------------------- options(width = 130) ## ---- echo = FALSE-------------------------------------------------------------------------------------------------------------- htmltools::img(src = knitr::image_uri("ClassifyRprocedure.png"), style = 'margin-left: auto;margin-right: auto') ## ---- echo = FALSE-------------------------------------------------------------------------------------------------------------- htmltools::img(src = knitr::image_uri("providedSelection.png"), style = 'margin-left: auto;margin-right: auto') ## ---- echo = FALSE-------------------------------------------------------------------------------------------------------------- htmltools::img(src = knitr::image_uri("providedClassifiers.png"), style = 'margin-left: auto;margin-right: auto') ## ---- echo = FALSE-------------------------------------------------------------------------------------------------------------- htmltools::img(src = knitr::image_uri("networkFunctions.png"), style = 'margin-left: auto;margin-right: auto') ## ---- message = FALSE----------------------------------------------------------------------------------------------------------- library(ClassifyR) data(asthma) measurements[1:5, 1:5] head(classes) ## ---- tidy = FALSE-------------------------------------------------------------------------------------------------------------- DMresults <- runTests(measurements, classes, datasetName = "Asthma", classificationName = "Different Means", permutations = 20, folds = 5, seed = 2018, verbose = 1) DMresults ## ---- fig.height = 8, fig.width = 8, results = "hold", message = FALSE---------------------------------------------------------- selectionPercentages <- distribution(DMresults, plot = FALSE) sortedPercentages <- sort(selectionPercentages, decreasing = TRUE) head(sortedPercentages) mostChosen <- names(sortedPercentages)[1] bestGenePlot <- plotFeatureClasses(measurements, classes, mostChosen, dotBinWidth = 0.1, xAxisLabel = "Normalised Expression") ## ------------------------------------------------------------------------------------------------------------------------------- DMresults <- calcCVperformance(DMresults, "balanced error") DMresults performance(DMresults) ## ---- tidy = FALSE-------------------------------------------------------------------------------------------------------------- selectParams <- SelectParams(KullbackLeiblerSelection, resubstituteParams = ResubstituteParams()) trainParams <- TrainParams(naiveBayesKernel) predictParams <- PredictParams(predictor = NULL, weighted = "weighted", weight = "height difference", returnType = "both") paramsList <- list(selectParams, trainParams, predictParams) DDresults <- runTests(measurements, classes, datasetName = "Asthma", classificationName = "Differential Distribution", permutations = 20, folds = 5, seed = 2018, params = paramsList, verbose = 1) DDresults ## ---- fig.width = 10, fig.height = 7-------------------------------------------------------------------------------------------- library(grid) DMresults <- calcCVperformance(DMresults, "sample error") DDresults <- calcCVperformance(DDresults, "sample error") resultsList <- list(Abundance = DMresults, Distribution = DDresults) errorPlot <- samplesMetricMap(resultsList, metric = "error", xAxisLabel = "Sample", showXtickLabels = FALSE, plot = FALSE) grid.draw(errorPlot) ## ------------------------------------------------------------------------------------------------------------------------------- rankOverlaps <- rankingPlot(list(DDresults), topRanked = 1:100, xLabelPositions = c(1, seq(10, 100, 10)), lineColourVariable = "None", pointTypeVariable = "None", columnVariable = "None", plot = FALSE) rankOverlaps ## ---- fig.height = 5, fig.width = 6--------------------------------------------------------------------------------------------- ROCcurves <- ROCplot(list(DDresults), fontSizes = c(24, 12, 12, 12, 12)) ## ------------------------------------------------------------------------------------------------------------------------------- selectParams <- SelectParams(differentMeansSelection, resubstituteParams = ResubstituteParams()) trainParams <- TrainParams(SVMtrainInterface, kernel = "linear", tuneParams = list(cost = c(0.01, 0.1, 1, 10)), tuneOptimise = c(metric = "balanced error", better = "lower")) predictParams <- PredictParams(SVMpredictInterface) SVMresults <- runTests(measurements, classes, datasetName = "Asthma", classificationName = "Tuned SVM", permutations = 20, folds = 5, seed = 2018, params = list(selectParams, trainParams, predictParams) ) ## ------------------------------------------------------------------------------------------------------------------------------- length(tunedParameters(SVMresults)) tunedParameters(SVMresults)[[1]] ## ------------------------------------------------------------------------------------------------------------------------------- selectParams <- SelectParams(edgeRselection, resubstituteParams = ResubstituteParams()) trainParams <- TrainParams(classifyInterface) predictParams <- PredictParams(NULL) params = list(selectParams, trainParams, predictParams) ## ------------------------------------------------------------------------------------------------------------------------------- transformParams <- TransformParams(subtractFromLocation, intermediate = "training", location = "median") selectParams <- SelectParams(bartlettSelection, resubstituteParams = ResubstituteParams()) trainParams <- TrainParams(fisherDiscriminant) predictParams <- PredictParams(NULL) params = list(transformParams, selectParams, trainParams, predictParams) ## ------------------------------------------------------------------------------------------------------------------------------- selectParams <- SelectParams(KullbackLeiblerSelection, resubstituteParams = ResubstituteParams()) trainParams <- TrainParams(naiveBayesKernel) predictParams <- PredictParams(NULL) params = list(selectParams, trainParams, predictParams) ## ------------------------------------------------------------------------------------------------------------------------------- trainParams <- TrainParams(NSCtrainInterface) selectParams <- SelectParams(NSCselectionInterface, intermediate = "trained") predictParams <- PredictParams(NSCpredictInterface) params = list(trainParams, selectParams, predictParams) ## ------------------------------------------------------------------------------------------------------------------------------- trainParams <- TrainParams(randomForestTrainInterface, ntree = 100, getFeatures = forestFeatures) predictParams <- PredictParams(randomForestPredictInterface) params = list(trainParams, predictParams) ## ------------------------------------------------------------------------------------------------------------------------------- selectParams <- SelectParams(differentMeansSelection, resubstituteParams = ResubstituteParams()) trainParams <- TrainParams(SVMtrainInterface, kernel = "linear") predictParams <- PredictParams(SVMpredictInterface) params = list(selectParams, trainParams, predictParams) ## ---- eval = FALSE-------------------------------------------------------------------------------------------------------------- # resubstituteParams <- ResubstituteParams(nFeatures = 1:10, # The top 1 to 10 sub-networks. # performanceType = "balanced error", better = "lower") # selectParams <- SelectParams(networkCorrelationsSelection, resubstituteParams = resubstituteParams) # trainParams <- TrainParams(naiveBayesKernel) # predictParams <- PredictParams(NULL) # params <- list(selectParams, trainParams, predictParams) # metaFeatures <- interactorDiffsTable # Creation by interactorDifferences function is suggested. # featureSets <- networkSets # An object of class FeatureSetCollection. ## ---- echo = FALSE-------------------------------------------------------------------------------------------------------------- htmltools::img(src = knitr::image_uri("functionRules.png"), style = 'margin-left: auto;margin-right: auto')