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This page lists all available functions and classes in the
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ICOADS R HOSTACE toolbox.
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**Workflow**
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Script | Description
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`split_by_type.R` | Separates records according to the different platform types. This is done following a [selection criteria](Workflow/data-selection).
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`simple_dup.R` | Duplicate record identification among ship data and the rest of the different platform types for which the records show a matching `date` , `time` and position `(lat, lon)`.
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`ship2plat.R` | Excludes non-ship data. Uses additional information from WMO Publication 47 to flag non-ship data. [Kent. *et al.,* (2007)](https://doi.org/10.1175/JTECH1949.1)
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`process_ids.R` | Re-format of ship IDs that comes from different data sources (`SID`) to enable linking of data from the same ship (same ship name) across different `DCK`s. And to also enable linking to metadata information in WMO Publication No. 47.
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`process_shipdata.R` | Corrects dates and times errors noticed in some `DCK`. Largely arise from confusion over historical definitions of the marine day and conversions between local time and UTC.
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`new_get_pairs.R` | Duplicate record identification within the ship data. Pairs the reports as duplicate if they have associated ship `ID`s. The candidate pairs are then selected according to i) the number of matching elements (similar content of variables within a specific tolerance), ii) the `DCK`s, and iii) a comparison of the `ID`s.
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`new_get_dups.R` | Counts the number of duplicated records and flags the best according to a [quality control criteria](Workflow/quality-control). Groups duplicated records by common `callsings`.
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`new_merge_ids_year.R` | Links `ID`'s into classes. Ship tracks of the linked `ID`'s are then checked. Reports that fail the track check are flagged as the worst duplicate. Uses a shipping tracking alogrithm from [**imma**.](https://git.noc.ac.uk/brecinosrivas/icoads-r-hostace/-/wikis/How-to-install#install-dependencies-with-conda-all-platforms)
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`clean_data.R` | Unclear
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`clean2track.R` | Forms ship tracks for linked IDs. Unclear.
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**Input/Output**
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**Utils**
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Function | Description
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`add_date2.R ` |
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`add_dck_priority.R ` |
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`add_ID_class.R ` |
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`add_shipnames.R` |
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`assess_match.R` |
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`find_gap_func.R` |
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`fix_usmm_705to707cors_func.R` |
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`flag_id_dups.R` |
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`get_gap_pos.R` |
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`get_groups.R` |
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`get_id_class.R` |
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`get_isolated.R` |
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`get_itu_country.R` |
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`get_matchedids.R` |
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`get_mismatch.R` |
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`get_prec.R` |
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`get_speed.R` |
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`id_group_func.R` |
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`liz_merge.R` |
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`new_add_match_id.R` |
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`new_homog_ids.R` |
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`print_id_match_info.R` |
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`read_rdsfiles.R` |
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`write_dup_func.R` | |
