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Using table.express4 years ago
Preliminaries | Expression delimiters | Arranging rows | Selecting columns | Transmuting columns | Summarizing columns | Mutating columns | Filtering rows | Using keys or secondary indices | Modifying subset of data | Data manipulation by group | Distinct combinations of columns | Lazy considerations | Nesting expressions | Automatic expression chaining | Explicit chaining | Eager verbs | As simple as possible
Joining verbs for data.table5 years ago
Basic joins | Expression chaining | Mutating join | Rolling joins | Non-equi joins | Self joins
Comparing Time-Series Clustering Algorithms in R Using the dtwclust Package7 years ago
Parallelization considerations for dtwclust7 years ago
Introduction | Overview | Calculation of cross-distance matrices | Distances included in dtwclust | Distances not included with dtwclust | Parallelization with foreach | Within dtwclust | Outside dtwclust
Timing experiments for dtwclust7 years ago
Introduction | Distance experiments | Calculations for single time-series | DTW lower bounds | Shape-based distance | DTW | Soft-DTW | Triangular global alignment kernel | Calculations for several time-series | Prototyping experiments | Shape extraction | DTW barycenter averaging | Soft-DTW centroid | Clustering experiments | TADPole | DTW special cases | PAM centroids | DBA centroids | Effect of k on PAM centroids with sparse cross-distance matrices | Non-symmetric | Symmetric | Remarks | References