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1 // Main Part about a really dumb investment strategy |
1 // Main Part 1 about a really dumb investment strategy |
2 //====================================================== |
2 //===================================================== |
3 |
3 |
4 object CW6b { |
4 |
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5 // generate jar with |
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6 // > scala -d drumb.jar drumb.scala |
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7 |
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8 |
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9 object M1 { |
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6 |
11 |
7 //two test portfolios |
12 //two test portfolios |
8 |
13 |
9 val blchip_portfolio = List("GOOG", "AAPL", "MSFT", "IBM", "FB", "AMZN", "BIDU") |
14 val blchip_portfolio = List("GOOG", "AAPL", "MSFT", "IBM", "FB", "AMZN", "BIDU") |
17 // It should read the corresponding CSV-file and reads the January |
22 // It should read the corresponding CSV-file and reads the January |
18 // data from the given year. The data should be collected in a list of |
23 // data from the given year. The data should be collected in a list of |
19 // strings for each line in the CSV-file. |
24 // strings for each line in the CSV-file. |
20 |
25 |
21 def get_january_data(symbol: String, year: Int) : List[String] = |
26 def get_january_data(symbol: String, year: Int) : List[String] = |
22 Source.fromFile(symbol ++ ".csv")("ISO-8859-1").getLines.toList.filter(_.startsWith(year.toString)) |
27 Source.fromFile(symbol ++ ".csv")("ISO-8859-1").getLines().toList.filter(_.startsWith(year.toString)) |
23 |
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29 |
25 //test cases |
30 //test cases |
26 //blchip_portfolio.map(get_january_data(_, 2018)) |
31 //blchip_portfolio.map(get_january_data(_, 2018)) |
27 //rstate_portfolio.map(get_january_data(_, 2018)) |
32 //rstate_portfolio.map(get_january_data(_, 2018)) |
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169 |
165 //test cases for the two portfolios given above |
170 //test cases for the two portfolios given above |
166 |
171 |
167 //println("Real data: " + investment(rstate_portfolio, 1978 to 2019, 100)) |
172 println("Real data: " + investment(rstate_portfolio, 1978 to 2019, 100)) |
168 //println("Blue data: " + investment(blchip_portfolio, 1978 to 2019, 100)) |
173 println("Blue data: " + investment(blchip_portfolio, 1978 to 2019, 100)) |
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170 } |
176 } |
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