replyr-package | replyr: Diligent Use of Big Data for R |
%->% | Land a value to variable from a pipeline. |
%->_% | Land a value to variable from a pipeline. |
%land% | Land a value to variable from a pipeline. |
%land_% | Land a value to variable from a pipeline. |
addConstantColumn | Add constant to a table. |
bind_rowsQ | Bind rows by a query. Assumes all tables structured identically. |
buildJoinPlan | Build a join plan |
dplyr_src_to_db_handle | get the db handle from a dplyr src |
executeLeftJoinPlan | Execute an ordered sequence of left joins. |
expandColumn | Expand a column of vectors into one row per value of each vector. |
gapply | grouped ordered apply |
inspectDescrAndJoinPlan | check that a join plan is consistent with table descriptions |
keysAreUnique | Check uniqueness of rows with respect to keys. |
key_inspector_all_cols | Return all columns as guess at preferred primary keys. |
key_inspector_postgresql | Return all primary key columns as guess at preferred primary keys for a PostgreSQL handle. |
key_inspector_sqlite | Return all primary key columns as guess at preferred primary keys for a SQLite handle. |
makeJoinDiagramSpec | Build a drawable specification of the join diagram |
makeTempNameGenerator | Produce a temp name generator with a given prefix. |
renderJoinDiagram | Render a diagram spec from 'makeJoinDiagramSpec' as a PNG graphics item. |
replyr | replyr: Diligent Use of Big Data for R |
replyr_add_ids | Add unique ids to rows. Note: re-arranges rows in many cases. |
replyr_apply_f_mapped | Apply a function to a re-mapped data frame. |
replyr_arrange | arrange by a single column |
replyr_bind_rows | Bind a list of items by rows (can't use dplyr::bind_rows or dplyr::combine on remote sources). Columns are intersected. |
replyr_check_ranks | confirm data has good ranked groups |
replyr_coalesce | Augment a data frame by adding additional rows. |
replyr_colClasses | Get column classes. |
replyr_copy_from | Bring remote data back as a local data frame tbl. |
replyr_copy_to | Copy data to remote service. |
replyr_dim | Compute dimensions of a data.frame (work around https://github.com/rstudio/sparklyr/issues/976 ). |
replyr_drop_table_name | Drop a table from a source |
replyr_filter | Filter a tbl on a column having values in a given set. |
replyr_get_src | Get the "remote data source" where a data.frame like object lives. |
replyr_group_by | group_by columns |
replyr_hasrows | Check if a table has rows. |
replyr_has_table | check for table |
replyr_inTest | Product a column noting if another columns values are in a given set. |
replyr_is_local_data | Test if data is local. |
replyr_is_MySQL_data | Test if data is MySQL. |
replyr_is_Spark_data | Test if data is Spark. |
replyr_list_tables | list tables |
replyr_mapRestrictCols | Map names of columns to known values and drop other columns. |
replyr_ncol | Compute number of columns of a data.frame (work around https://github.com/rstudio/sparklyr/issues/976 ). |
replyr_nrow | Compute number of rows of a tbl. |
replyr_quantile | Compute quantiles on remote column (NA's filtered out) using binary search. |
replyr_quantilec | Compute quantiles on remote column (NA's filtered out) using cumsum. |
replyr_rename | Rename a column |
replyr_reverseMap | Reverse a name assignment map (which are written NEWNAME=OLDNAME). |
replyr_select | select columns |
replyr_split | split a data item by values in a column. |
replyr_summary | Compute usable summary of columns of tbl. |
replyr_testCols | Run test on columns. |
replyr_union_all | Union two tables. |
replyr_uniqueValues | Compute number of unique values for each level in a column. |
tableDescription | Build a nice description of a table. |
topoSortTables | Topologically sort join plan so values are available before uses. |