DOC: Update README example stats since 028f02d (#156)

Author: kernc

README.md

@@ -58,31 +58,34 @@ Results in:
 Start                     2004-08-19 00:00:00
 End                       2013-03-01 00:00:00
 Duration                   3116 days 00:00:00
-Exposure Time [%]                       94.27
-Equity Final [$]                     68935.12
-Equity Peak [$]                      68991.22
-Return [%]                             589.35
-Buy & Hold Return [%]                  703.46
-Max. Drawdown [%]                      -33.08
-Avg. Drawdown [%]                       -5.58
+Exposure Time [%]                     94.2737
+Equity Final [$]                      68935.1
+Equity Peak [$]                       68991.2
+Return [%]                            589.351
+Buy & Hold Return [%]                 703.458
+Return (Ann.) [%]                     25.4193
+Volatility (Ann.) [%]                 38.4296
+Sharpe Ratio                         0.661452
+Sortino Ratio                         1.29661
+Calmar Ratio                          0.76837
+Max. Drawdown [%]                    -33.0822
+Avg. Drawdown [%]                    -5.58151
 Max. Drawdown Duration      688 days 00:00:00
 Avg. Drawdown Duration       41 days 00:00:00
 # Trades                                   93
-Win Rate [%]                            53.76
-Best Trade [%]                          57.12
-Worst Trade [%]                        -16.63
-Avg. Trade [%]                           1.96
+Win Rate [%]                          53.7634
+Best Trade [%]                        57.1193
+Worst Trade [%]                      -16.6299
+Avg. Trade [%]                        1.95909
 Max. Trade Duration         121 days 00:00:00
 Avg. Trade Duration          32 days 00:00:00
-Profit Factor                            2.13
-Expectancy [%]                           6.91
-SQN                                      1.78
-Sharpe Ratio                             0.18
-Sortino Ratio                            0.44
-Calmar Ratio                             0.06
+Profit Factor                         2.12576
+Expectancy [%]                        6.91487
+SQN                                   1.77528
 _strategy              SmaCross(n1=10, n2=20)
-_equity_curve                          Equ...
+_equity_curve                             ...
 _trades                       Size  EntryB...
+dtype: object
 ```
 [![plot of trading simulation](https://i.imgur.com/xRFNHfg.png)](https://kernc.github.io/backtesting.py/#example)