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Chapter7_Splink_Settings.json
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{
"link_type": "dedupe_only",
"blocking_rules_to_generate_predictions": [
"l.Year = r.Year and l.Month = r.Month and l.Lastname = r.Lastname"
],
"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": 0.9937279516043651,
"u_probability": 0.011389127982601752
},
{
"sql_condition": "jaro_winkler_similarity(\"Firstname_l\", \"Firstname_r\") >= 0.9",
"label_for_charts": "Jaro_winkler_similarity >= 0.9",
"m_probability": 0.006162916423447843,
"u_probability": 0.0019371717385200092
},
{
"sql_condition": "ELSE",
"label_for_charts": "All other comparisons",
"m_probability": 0.00010913197218707265,
"u_probability": 0.9866737002788782
}
],
"comparison_description": "Exact match vs. Firstname within jaro_winkler_similarity threshold 0.9 vs. anything else"
},
{
"output_column_name": "Middlename",
"comparison_levels": [
{
"sql_condition": "\"Middlename_l\" IS NULL OR \"Middlename_r\" IS NULL",
"label_for_charts": "Null",
"is_null_level": true
},
{
"sql_condition": "\"Middlename_l\" = \"Middlename_r\"",
"label_for_charts": "Exact match",
"m_probability": 0.9989995891771464,
"u_probability": 0.02044606226547795
},
{
"sql_condition": "jaro_winkler_similarity(\"Middlename_l\", \"Middlename_r\") >= 0.9",
"label_for_charts": "Jaro_winkler_similarity >= 0.9",
"m_probability": 0.001000410822853495,
"u_probability": 0.0024661993530321353
},
{
"sql_condition": "ELSE",
"label_for_charts": "All other comparisons",
"m_probability": 8.542173447173793e-17,
"u_probability": 0.9770877383814899
}
],
"comparison_description": "Exact match vs. Middlename within jaro_winkler_similarity threshold 0.9 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": 0.9999537527036698,
"u_probability": 0.023837162491954382
},
{
"sql_condition": "ELSE",
"label_for_charts": "All other comparisons",
"m_probability": 4.624729633006628e-05,
"u_probability": 0.9761628375080457
}
],
"comparison_description": "Exact match vs. anything else"
},
{
"output_column_name": "Title",
"comparison_levels": [
{
"sql_condition": "\"Title_l\" IS NULL OR \"Title_r\" IS NULL",
"label_for_charts": "Null",
"is_null_level": true
},
{
"sql_condition": "\"Title_l\" = \"Title_r\"",
"label_for_charts": "Exact match",
"m_probability": 0.991026088753269,
"u_probability": 0.7017785149777008
},
{
"sql_condition": "ELSE",
"label_for_charts": "All other comparisons",
"m_probability": 0.008973911246730942,
"u_probability": 0.29822148502229917
}
],
"comparison_description": "Exact match vs. anything else"
},
{
"output_column_name": "Nationality",
"comparison_levels": [
{
"sql_condition": "\"Nationality_l\" IS NULL OR \"Nationality_r\" IS NULL",
"label_for_charts": "Null",
"is_null_level": true
},
{
"sql_condition": "\"Nationality_l\" = \"Nationality_r\"",
"label_for_charts": "Exact match",
"m_probability": 0.9834241383477343,
"u_probability": 0.6798023982400816
},
{
"sql_condition": "ELSE",
"label_for_charts": "All other comparisons",
"m_probability": 0.016575861652265666,
"u_probability": 0.3201976017599185
}
],
"comparison_description": "Exact match vs. anything else"
},
{
"output_column_name": "Month",
"comparison_levels": [
{
"sql_condition": "\"Month_l\" IS NULL OR \"Month_r\" IS NULL",
"label_for_charts": "Null",
"is_null_level": true
},
{
"sql_condition": "\"Month_l\" = \"Month_r\"",
"label_for_charts": "Exact match",
"m_probability": 0.9966532240338475,
"u_probability": 0.08403820334702851
},
{
"sql_condition": "ELSE",
"label_for_charts": "All other comparisons",
"m_probability": 0.0033467759661525032,
"u_probability": 0.9159617966529715
}
],
"comparison_description": "Exact match vs. anything else"
},
{
"output_column_name": "Year",
"comparison_levels": [
{
"sql_condition": "\"Year_l\" IS NULL OR \"Year_r\" IS NULL",
"label_for_charts": "Null",
"is_null_level": true
},
{
"sql_condition": "\"Year_l\" = \"Year_r\"",
"label_for_charts": "Exact match",
"m_probability": 0.9990110157502776,
"u_probability": 0.021427995947409507,
"tf_adjustment_column": "Year",
"tf_adjustment_weight": 1.0
},
{
"sql_condition": "ELSE",
"label_for_charts": "All other comparisons",
"m_probability": 0.000988984249722443,
"u_probability": 0.9785720040525905
}
],
"comparison_description": "Exact match vs. anything else"
}
],
"retain_matching_columns": true,
"retain_intermediate_calculation_columns": true,
"max_iterations": 10,
"em_convergence": 0.01,
"additional_columns_to_retain": [
"company_number"
],
"sql_dialect": "duckdb",
"linker_uid": "lztfjjle",
"probability_two_random_records_match": 0.0001
}