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rolap  

Obtaining Star Databases from Flat Tables
View on CRAN: Click here


Download and install rolap package within the R console
Install from CRAN:
install.packages("rolap")

Install from Github:
library("remotes")
install_github("cran/rolap")

Install by package version:
library("remotes")
install_version("rolap", "2.5.2")



Attach the package and use:
library("rolap")
Maintained by
Jose Samos
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2023-08-08
Latest Update: 2025-05-22
Description:
Data in multidimensional systems is obtained from operational systems and is transformed to adapt it to the new structure. Frequently, the operations to be performed aim to transform a flat table into a ROLAP (Relational On-Line Analytical Processing) star database. The main objective of the package is to allow the definition of these transformations easily. The implementation of the multidimensional database obtained can be exported to work with multidimensional analysis tools on spreadsheets or relational databases.
How to cite:
Jose Samos (2023). rolap: Obtaining Star Databases from Flat Tables. R package version 2.5.2, https://cran.r-project.org/web/packages/rolap. Accessed 07 Mar. 2026.
Previous versions and publish date:
2.0.0 (2023-08-08 16:40), 2.1.0 (2023-08-13 23:00), 2.2.0 (2023-09-15 09:50), 2.3.0 (2023-10-16 14:30), 2.4.0 (2023-11-14 10:50), 2.5.0 (2023-12-11 09:40), 2.5.1 (2024-01-10 11:30)
Other packages that cited rolap R package
View rolap citation profile
Other R packages that rolap depends, imports, suggests or enhances
Complete documentation for rolap
Functions, R codes and Examples using the rolap R package
Some associated functions: add_custom_column . add_dimension_instances . add_dput_column . add_operation . add_surrogate_key.dimension_table . apply_filter_dimension . apply_select_dimension . apply_select_fact . as_GeoPackage . as_csv_files . as_dm_class . as_geolayer . as_multistar . as_rdb . as_single_tibble_list . as_star_database . as_tibble_list . as_xlsx_file . cancel_deployment . check_geoattribute_geometry . check_lookup_table . check_refesh . conform_dimensions . constellation . coordinates_to_point . default_disconnect . define_dimension . define_facts . define_geoattribute . define_geoattribute_from_layer . delete_all_operations_found . delete_operation . delete_operation_set . deploy . dimension_schema . dimension_table . draw_tables . fact_schema . fact_table . filter_dimension . filter_geo_attributes . filter_geo_dimensions . filter_rpd_dimensions . flat_table . ft . ft_age . ft_age_rpd . ft_cause_rpd . ft_num . generate_refresh_sql . generate_table_sql_delete . generate_table_sql_insert . generate_table_sql_update . get_agg_functions.fact_schema . get_all_dimension_operations . get_attribute_names . get_attribute_names_schema.dimension_schema . get_attribute_names_schema.star_schema . get_default_unknown_value . get_deployment_names . get_dimension_names . get_dimension_table . get_existing_fact_instances . get_fact_name.fact_schema . get_fact_names . get_geoattribute_geometries . get_geoattribute_name . get_geoattributes . get_layer . get_layer_from_attribute . get_layer_geometry . get_lookup_tables . get_measure_names . get_measure_names_schema.fact_schema . get_measure_names_schema.star_schema . get_new_dimension_instances . get_next_operation . get_nrow_agg.fact_schema . get_pk_attribute_names . get_point_geometry . get_role_playing_dimension_names . get_rpd_dimensions . get_similar_attribute_values . get_similar_attribute_values_individually . get_similar_values_table . get_star_database . get_star_query_schema . get_star_schema . get_surrogate_key.dimension_table . get_table . get_table_names . get_transformation_code . get_transformation_file . get_unique_attribute_values . get_unique_values_table . get_unknown_value_defined . get_unknown_values . get_variable_description . get_variables . group_by_keys . group_dimension_instances . group_facts . incremental_refresh . integrate_geo_dimensions . interpret_operation_add_custom_column . interpret_operation_flat_table . interpret_operation_group_dimension_instances . interpret_operation_join_lookup_table . interpret_operation_lookup_table . interpret_operation_remove_instances_without_measures . interpret_operation_replace_attribute_values . interpret_operation_replace_empty_values . interpret_operation_replace_string . interpret_operation_replace_unknown_values . interpret_operation_role_playing_dimension . interpret_operation_select_attributes . interpret_operation_select_instances . interpret_operation_select_instances_by_comparison . interpret_operation_select_measures . interpret_operation_separate_measures . interpret_operation_set_attribute_names . interpret_operation_set_measure_names . interpret_operation_snake_case . interpret_operation_star_database . interpret_operation_transform_attribute_format . interpret_operation_transform_from_values . interpret_operation_transform_to_attribute . interpret_operation_transform_to_measure . interpret_operation_transform_to_values . is_empty_string . is_new_operation . is_scd . join_lookup_table . line_last_op . load_star_database . lookup_table . mrs_age_schema . mrs_age_schema_rpd . mrs_cause_schema . mrs_cause_schema_rpd . mrs_db . mrs_db_geo . mrs_ft . mrs_ft_new . multiple_value_key . name_with_nexus . new_multistar . prepare_to_join . purge_dimension . purge_dimension_instances . purge_dimension_instances_star_database . read_flat_table_file . read_flat_table_folder . reformat_file . refresh_deployments . remove_all_measures_na . remove_duplicate_dimension_rows . remove_instances_without_measures . replace_attribute_values . replace_empty_values . replace_empty_values_table . replace_names . replace_string . replace_unknown_values . role_playing_dimension . rpd_in_constellation . run_query . same_granularity_facts . select_attributes . select_dimension . select_fact . select_instances . select_instances_by_comparison . select_measures . separate_measures . set_attribute_names . set_layer . set_measure_names . set_variables . share_dimension_instance_operations . share_dimensions . simplify_rpd_dimensions . snake_case . snake_case_table.dimension_table . snake_case_table.fact_table . star_database . star_database_with_previous_operations . star_operation . star_query . star_schema . string_or_null . string_to_vector . summarize_layer . transform_attribute_format . transform_from_values . transform_names . transform_to_attribute . transform_to_measure . transform_to_values . unify_facts_and_dimensions . unify_rpd . update_according_to . us_census_state . us_layer_state . validate_attributes . validate_dimension_attributes . validate_dimension_names . validate_facts . validate_lookup_parameters . validate_measures . validate_names . vector_presentation . vector_to_string . 
Some associated R codes: common.R . constellation.R . data.R . deploy.R . flat_table.R . flat_table_join.R . flat_table_read.R . flat_table_transform.R . generic.R . geoattribute.R . geolayer.R . operations.R . refresh.R . role_playing.R . schemas.R . star_database.R . star_database_export.R . star_query.R . table.R . tables_fact_dimension.R . update_according_to.R . utils.R .  Full rolap package functions and examples
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