Chapter4_Splink_Settings.json

{
    "link_type": "link_only",
    "comparisons": [
        {
            "output_column_name": "Firstname",
            "comparison_levels": [
                {
                    "sql_condition": "\"Firstname_l\" IS NULL OR \"Firstname_r\" IS NULL",
                    "label_for_charts": "Null",
                    "is_null_level": true
                },
                {
                    "sql_condition": "\"Firstname_l\" = \"Firstname_r\"",
                    "label_for_charts": "Exact match",
                    "m_probability": 0.992118804074688,
                    "u_probability": 0.004864290128404288
                },
                {
                    "sql_condition": "ELSE",
                    "label_for_charts": "All other comparisons",
                    "m_probability": 0.007881195925311958,
                    "u_probability": 0.9951357098715956
                }
            ],
            "comparison_description": "Exact match vs. anything else"
        },
        {
            "output_column_name": "Lastname",
            "comparison_levels": [
                {
                    "sql_condition": "\"Lastname_l\" IS NULL OR \"Lastname_r\" IS NULL",
                    "label_for_charts": "Null",
                    "is_null_level": true
                },
                {
                    "sql_condition": "\"Lastname_l\" = \"Lastname_r\"",
                    "label_for_charts": "Exact match",
                    "m_probability": 0.9937726043638647,
                    "u_probability": 0.00082730840955421
                },
                {
                    "sql_condition": "ELSE",
                    "label_for_charts": "All other comparisons",
                    "m_probability": 0.006227395636135347,
                    "u_probability": 0.9991726915904457
                }
            ],
            "comparison_description": "Exact match vs. anything else"
        },
        {
            "output_column_name": "Constituency",
            "comparison_levels": [
                {
                    "sql_condition": "\"Constituency_l\" IS NULL OR \"Constituency_r\" IS NULL",
                    "label_for_charts": "Null",
                    "is_null_level": true
                },
                {
                    "sql_condition": "\"Constituency_l\" = \"Constituency_r\"",
                    "label_for_charts": "Exact match",
                    "m_probability": 0.9999999403661186,
                    "u_probability": 3.092071473132138e-05
                },
                {
                    "sql_condition": "ELSE",
                    "label_for_charts": "All other comparisons",
                    "m_probability": 5.963388147277392e-08,
                    "u_probability": 0.9999690792852688
                }
            ],
            "comparison_description": "Exact match vs. anything else"
        }
    ],
    "retain_intermediate_calculation_columns": true,
    "retain_matching_columns": true,
    "sql_dialect": "duckdb",
    "linker_uid": "adm20und",
    "probability_two_random_records_match": 0.0015075875293170335
}