chore: set sample size to 100

dbt/models/marts/elo_sample_listings.sql

@@ -1,14 +1,16 @@
 -- Mart: stable random sample of Funda listings for pairwise ELO comparison.
 -- Incrementally tops up to the target sample size using deterministic ordering.
 
+{% set sample_size = 100 %}
+
 select l.global_id
 from {{ ref('funda_listings') }} as l
 {% if is_incremental() %}
     left join {{ this }} as s on l.global_id = s.global_id
     where s.global_id is null
     order by md5(l.global_id)
-    limit greatest(0, 50 - (select count(*) from {{ this }}))
+    limit greatest(0, {{ sample_size }} - (select count(*) from {{ this }}))
 {% else %}
     order by md5(l.global_id)
-    limit 50
+    limit {{ sample_size }}
 {% endif %}