Splitting and binding data | 
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|---|---|
Divide a data frame into a list  | 
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Bind a list of data frames back together  | 
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          Applying functions | 
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Evaluate a two-argument function with combinations of columns  | 
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Stratify a data frame and apply a function  | 
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Evaluate a function on columns conforming to one or more (or no) specified types  | 
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          Univariate analysis | 
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Compute descriptive statistics on columns of a data frame  | 
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Compute association statistics between columns of a data frame  | 
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Create a custom descriptive table for a dataset  | 
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          Miscellaneous | 
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Absorb values into a string containing keys  | 
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Find the elements in a list structure that satisfy a predicate  | 
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Make a   | 
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Heart Disease  | 
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Randomly permute some or all columns of a data frame  | 
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Is an object one of the specified types?  | 
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Span keys and values across the columns  | 
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