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Add synthetic test dataset

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  1. README.md +21 -0
  2. data.csv +39 -0
README.md ADDED
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+ ---
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+ license: cc0-1.0
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+ tags:
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+ - synthetic
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+ - test-data
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+ size_categories:
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+ - n<1K
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+ ---
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+
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+ # difficult-interview-201ded
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+
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+ Synthetic products test data: 38 rows in `data.csv`.
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+
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+ All values are randomly generated fictional examples, not real observations, products, or user activity. Intended only for CSV loading and pipeline tests; not suitable for scientific or business conclusions. Columns are sampled independently and do not model real-world correlations.
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+
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+ ## Fields
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+
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+ - `sample_id`: random identifier for this generated sample.
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+ - `row_id`: sequential row number starting at 1.
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+ - `is_synthetic`: always true.
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+ - `price_usd`, `stock_units`: simulated values in the units named in each column.
data.csv ADDED
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+ sample_id,row_id,is_synthetic,price_usd,stock_units
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+ 0ec3f003dd0edfc7,1,true,413.16,285
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+ 0ec3f003dd0edfc7,2,true,450.4,52
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+ 0ec3f003dd0edfc7,3,true,314.26,270
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+ 0ec3f003dd0edfc7,4,true,218.79,426
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+ 0ec3f003dd0edfc7,5,true,53.88,466
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+ 0ec3f003dd0edfc7,6,true,330.63,228
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+ 0ec3f003dd0edfc7,7,true,491.21,391
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+ 0ec3f003dd0edfc7,8,true,319.94,292
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+ 0ec3f003dd0edfc7,9,true,446.37,107
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+ 0ec3f003dd0edfc7,10,true,103.97,398
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+ 0ec3f003dd0edfc7,11,true,497.7,101
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+ 0ec3f003dd0edfc7,12,true,470.49,415
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+ 0ec3f003dd0edfc7,13,true,145.86,220
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+ 0ec3f003dd0edfc7,14,true,182.78,369
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+ 0ec3f003dd0edfc7,15,true,241.8,442
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+ 0ec3f003dd0edfc7,16,true,106.66,358
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+ 0ec3f003dd0edfc7,17,true,74.15,36
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+ 0ec3f003dd0edfc7,18,true,470.58,233
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+ 0ec3f003dd0edfc7,19,true,23.16,197
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+ 0ec3f003dd0edfc7,20,true,178.75,242
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+ 0ec3f003dd0edfc7,21,true,439.24,409
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+ 0ec3f003dd0edfc7,22,true,99.07,222
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+ 0ec3f003dd0edfc7,23,true,293.0,61
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+ 0ec3f003dd0edfc7,24,true,165.99,411
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+ 0ec3f003dd0edfc7,25,true,127.04,387
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+ 0ec3f003dd0edfc7,26,true,230.37,416
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+ 0ec3f003dd0edfc7,27,true,197.66,402
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+ 0ec3f003dd0edfc7,28,true,19.19,383
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+ 0ec3f003dd0edfc7,29,true,275.72,470
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+ 0ec3f003dd0edfc7,30,true,477.76,158
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+ 0ec3f003dd0edfc7,31,true,336.94,65
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+ 0ec3f003dd0edfc7,32,true,7.11,342
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+ 0ec3f003dd0edfc7,33,true,368.49,454
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+ 0ec3f003dd0edfc7,34,true,62.03,57
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+ 0ec3f003dd0edfc7,35,true,427.31,72
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+ 0ec3f003dd0edfc7,36,true,197.52,231
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+ 0ec3f003dd0edfc7,37,true,391.4,29
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+ 0ec3f003dd0edfc7,38,true,41.19,325