| 170 |      1 | 
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|  |      2 | // paste in the actual values
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| 158 |      3 | 
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| 169 |      4 | val urban_prices1 = CW6c.get_prices(List("BIDU"), 2004 to 2008)
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|  |      5 | val urban_prices2 = CW6c.get_prices(List("GOOG", "AAPL"), 2010 to 2012)
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| 158 |      6 | 
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|  |      7 | 
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| 169 |      8 | assert(CW6c.get_deltas(urban_prices1) == 
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|  |      9 |        List(List(None), List(None), 
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|  |     10 | 	    List(Some(0.9277165354330709)), List(Some(2.119679764725104))))
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| 158 |     11 | 
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| 169 |     12 | assert(CW6c.get_deltas(urban_prices2) == 
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|  |     13 |        List(List(Some(-0.03573992567129673), Some(0.5399749442411563)), 
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|  |     14 | 	    List(Some(0.10103412653643493), Some(0.2477771728154912))))
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