All functions
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ahull()
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Maximum area given x and y coordinates |
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AND() OR() nor() neither() NOR() NEITHER() pow() XOR()
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Aliases |
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all_same_sign()
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Determine whether a vector is all of the same sign |
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any_grepl()
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Does the pattern appear anywhere? |
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auc()
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AUC |
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average_bearing() average_bearing_n()
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Average of bearings |
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coalesce()
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Find first non-missing element |
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dev_copy2a4()
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Copy device to an A4 PDF |
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dir2()
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List many files |
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drop_col() drop_cols()
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Drop column or columns |
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drop_colr()
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Drop columns whose names match a pattern |
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drop_constant_cols()
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Drop constant columns |
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drop_empty_cols()
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Drop empty columns |
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duplicated_rows()
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Return duplicated rows of data.table |
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`%ein%` `%enotin%`
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Exists and (not) in |
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find_pattern_in()
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Find string pattern in (text) file |
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generate_LaTeX_manual()
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Generate LaTeX manual of installed package |
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`%notchin%`
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Negation of in (character) |
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`%notin%`
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Negation of in |
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`%pin%`
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Partial in |
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haversine_distance()
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Distance between two points on the Earth |
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hutils-package
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hutils package |
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if_else()
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Vectorized if |
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implies() `%implies%`
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#' Logical implies |
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isAttached()
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Is a package attached? |
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isTrueFalse()
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Logical assertions |
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trim_common_affixes() longest_suffix() longest_prefix()
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Longest common prefix/suffix |
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mean_na()
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Proportion of values that are NA. |
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Mode()
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Statistical mode |
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mutate_ntile()
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Add a column of ntiles to a data table |
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mutate_other()
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Group infrequent entries into 'Other category' |
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ngrep()
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Anti-grep |
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provide.dir()
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Provide directory |
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provide.file()
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Provide a file |
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replace_pattern_in()
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Replace string pattern in text file |
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report_error()
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Report errors and warnings |
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RQ()
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Shorthand for requireNamespace |
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samp()
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Safer sampler |
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selector()
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Fast selection of data.table columns |
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select_grep()
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Select names matching a pattern |
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select_which()
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Select columns satisfying a condition |
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set_cols_first() set_cols_last() set_colsuborder()
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Put columns first or last |
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`%<->%`
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Swap assignment |
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Switch()
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Vectorized switch |
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has_unique_key() set_unique_key()
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Unique keys |
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weight2rows()
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Expand a weighted data frame to an equivalent unweighted |
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weighted_ntile()
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Weighted (ranked) quantiles |
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weighted_quantile()
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Weighted quantile |