add_rownames | Add a new column with row names |
arrange | Sort data |
between | Tests whether elements of a vector lie between two values... |
bm_morder | Extension of bigmemory::morder to allow decreasing parameter... |
bm_mpermute | Extension of bigmemory::mpermute to allow decreasing... |
cumall | Cumulative all |
cumany | Cumulative any |
cummean | Cumulative mean |
define | Define new columns |
desc | Arrange specified column in descending order |
distinct | Select unique rows or unique combinations of variables |
distribute | Calculations for how to distribute x items over N nodes |
dotscapture | Capture ... for later evaluation |
dotscombine | Combine explicit and implicit dots |
dotseval | Evaluate previously captured dots |
dotsname | Ensure captured dots are all named |
dotsname1 | Name an expression (called by dotsname) |
filter | Filter data |
first | Returns first value in vector |
group_by | Group data |
group_sizes | Return size of groups |
lag | Offset x backwards by n |
last | Returns last value in vector |
lead | Offset x forwards by n |
multiplyr | Data Manipulation with Parellelism and Shared Memory Matrices |
Multiplyr-class | Parallel processing data frame |
Multiplyr-methods | Data access methods for Multiplyr |
mutate | Change values of existing variables (and create new ones) |
n | Number of items in current group |
NA_class_ | Returns NA of a particular class |
n_distinct | Return the number of unique values |
n_groups | Return number of groups |
nonunique | Returns values of x that are non-unique |
nsa | No strings attached mode |
nth | Return the nth item from a vector |
p | Concatenate (internal) |
partition_even | Partition data evenly amongst cluster nodes |
partition_group | Partition data so that each group is wholly on a node |
reduce | Summarise data (with local reduction) |
regroup | Return to grouped data |
rename | Rename variables |
select | Retain only specified variables |
shutdown | Shutdown running cluster |
slice | Select rows by position |
sm_desc_comp | Returns big.matrix descriptor offset by 1 (for row by row... |
sm_desc_group | Returns a big.matrix descriptor for a particular group ID |
sm_desc_subset | Returns big.matrix descriptor limited to particular start/end... |
sm_desc_update | Update description of a big.matrix after a row subset... |
summarise | Summarise data |
test_transition | Test for grouping transition (internal) |
transmute | Change variables and drop all others |
undefine | Delete variables |
ungroup | Return data to non-grouped |
within_group | Execute code within a group |
within_node | Execute code within a node |
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