Big Data in-Database Analytics with Teradata Aster

Documentation for package ‘toaster’ version 0.5.1

Help Pages

toaster-package	toaster: analytical and visualization toolbox for Teradata Aster
computeAggregates	Compute aggregate values.
computeBarchart	Compute one or more aggregates across single class.
computeClusterSample	Random sample of clustered data
computeCorrelations	Compute correlation between pairs of columns.
computeEgoGraph	Find the vertices not farther than a given limit from another fixed vertex, and create egographs (subgraphs) with the given order parameter.
computeGraph	Materialize Aster graph as network object in R.
computeGraphHistogram	Compute various statistic distributions on graph edges and vertices.
computeGraphMetric	Compute top vertices by the metric values on a graph.
computeHeatmap	Compute 2-dimensional multi-layered matrix for heat map visualizations.
computeHistogram	Compute histogram distribution of the column.
computeKmeans	Perform k-means clustering on the table.
computeLm	Fit Linear Model and return its coefficients.
computePercentiles	Compute percentiles of column values.
computeSample	Randomly sample data from the table.
computeSilhouette	Compute Silhouette (k-means clustering).
computeTf	Compute term frequencies on a corpus.
computeTfIdf	Compute Term Frequency - Inverse Document Frequency on a corpus.
createBoxplot	Create box plot.
createBubblechart	Create Bubble Chart type of plot.
createCentroidPlot	Create plot of cluster centroids.
createClusterPairsPlot	Create cluster variable plot.
createClusterPlot	Create clusters' properties plot.
createHeatmap	Create Heat Map type of plot.
createHistogram	Create histogram type of plot.
createMap	Locate map, geocode data, then plot both.
createPopPyramid	Create Population Pyramid type of histogram plot.
createSilhouetteProfile	Create cluster silhouette profile plot.
createSlopegraph	Create plot with Slope Graph visualization.
createWordcloud	Create Word Cloud Visualization.
getCharacterColumns	Filter character columns.
getCharacterTypes	List Aster character data types.
getDiscretePaletteFactory	Generate discrete palette maker
getGradientPaletteFactory	Generate gradient palette maker
getMatchingColumns	Filter columns by pattern.
getNullCounts	Counts nulls per column in the table.
getNumericColumns	Filter numeric columns.
getNumericTypes	List Aster numeric data types.
getTableSummary	Compute columnwise statistics on Aster table.
getTemporalColumns	Filter Date and Time Table Columns.
getTemporalTypes	List Aster temporal data types.
getWindowFunction	Determine window function to use
isTable	Test if table present in the database.
makeFromClause	Make SQL FROM clause
makeTempTableName	Make Aster temporary table name.
nGram	Tokenize (or split) text and emit multi-grams.
showData	Plot table level statistics, histograms, correlations and scatterplots in one go.
showGraph	Plot an Aster graph object comprised of the vertice and edge tables.
theme_empty	Creates empty theme.
toaGraph	Define an object corresponding to a graph in Aster database.
toaster	toaster: analytical and visualization toolbox for Teradata Aster
toa_dep	Give a deprecation error, warning, or messsage, depending on version number.
token	Tokenize (or split) text and emit n-word combinations from a document.
viewTableSummary	Invoke a Data Viewer on table statistics.