| CosPdfMulti | Distribution Recovery with the COS method for Different parameters | 
| CosPdfRecovery | Distribution Recovery with the COS method | 
| CosValueOption | Approximate the Option Price with the COS Method | 
| Describe | Summary Statistics | 
| DescribeVector | Summary Statistics of Vector | 
| EuroCallOption | The Value Function of European Call Option | 
| FixBacktest | Buy and Hold Backtest | 
| F_k | F_k Coefficients | 
| ggacf | Plot the Acf Figure | 
| ggboxplot | Plot the Box Figure | 
| gghistplot | Plot the Histogram Figure | 
| gglineplot | Plot the Time Series | 
| ggpacf | Plot the Pacf Figure | 
| InvestmentPortfolio | Construct Portfolio | 
| LogErrorCosPdf | Calculate the Absolute Error of the COS Method | 
| NormChf | The Characteristic Function of Normal Distribution | 
| PdfMultiPlot | Plot the Probability Density Functions | 
| PdfSinglePlot | Plot the Probability Density Function | 
| rGarch | Simulate a Garch Series | 
| rGarcha | Simulate a Garch Series | 
| rGbm | Simulate prices series of stocks | 
| rGbms | Simulate Multivariate Stocks Prices Data | 
| rGbmSingle | Simulate a single stock price series | 
| RiskIndicators | Calculate Useful Indicators for returns | 
| rMvReturnSim | Simulate Stocks Prices | 
| rTrade | Simulate stock trade data | 
| rTrades | Simulate Multivariate Stock Trade Data | 
| Sharp | Calculate Sharp Ratio with stock prices | 
| StackForPlot | Rearrange the data from 'LogErrorCosPdf' for plot | 
| StackRet | Stack Rets for ggplot | 
| StNormChf | The Characteristic Function of Standard Normal Distribution | 
| VaRSimTest | VaR Calculation and Coverage Test | 
| V_k | V_k Series |