| 
248
 | 
     1  | 
//val urban_deltas = get_deltas(get_prices(List("GOOG", "AAPL"), 2010 to 2012))
 | 
| 
281
 | 
     2  | 
/*
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| 
 | 
     3  | 
def myassert(cond : => Boolean) = {
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| 
 | 
     4  | 
  try {
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| 
 | 
     5  | 
    assert(cond)
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| 
 | 
     6  | 
  } catch { 
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| 
 | 
     7  | 
    case _ : Throwable => System.exit(1)
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| 
 | 
     8  | 
  }
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| 
 | 
     9  | 
}
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| 
 | 
    10  | 
*/
  | 
| 
130
 | 
    11  | 
  | 
| 
281
 | 
    12  | 
val ds_urban = List(List(Some(-0.03573991804411003), Some(0.539974575389325)), 
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| 
 | 
    13  | 
                    List(Some(0.10103414222249969), Some(0.24777764141006836)))
  | 
| 
130
 | 
    14  | 
  | 
| 
 | 
    15  | 
  | 
| 
 | 
    16  | 
  | 
| 
281
 | 
    17  | 
assert(CW6b.yearly_yield(ds_urban, 100, 0) == 125)
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| 
 | 
    18  | 
assert(CW6b.yearly_yield(ds_urban, 100, 1) == 117)
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