| cor.lag | Lag/Lead Correlation |
| cor.spearman | Spearman rank correlation |
| cv.annu.fv | Calculate future value of annuity |
| cv.annu.pv | Calculate present value of annuity |
| cv.axp | Create logarithm with a random base |
| cv.bondprice | Calculate the plain vanilla bond price |
| cv.diff | Calculating the difference of a time series |
| cv.drawdown | Largest draw down of returns |
| cv.lag | Create a lag variable |
| cv.lead | Create a lead variable |
| cv.logs | Create logarithm with a random base |
| cv.pctcng | Calculating rate of return of a vector |
| cv.powers | Create nth power variable |
| df.sortcol | Sort a data frame by a column |
| df.stack | Stack data frame by one classifier |
| ds.corm | Correlation matrix |
| ds.kurt | Calculating kurtosis for numeric data. |
| ds.mode | Calculating mode for numeric data |
| ds.skew | Calculating skewness for numeric data |
| ds.summ | Descriptive statistics of a data frame |
| pl.2ts | Time series plot for two variables |
| pl.3smoothtxt | Scatter smooth plot with text overlay |
| pl.3txt | Scatter plot with text overlay |
| pl.coplot | Scatter plot of x and y divided by z |
| pl.hist | Plot histograms for a data frame |
| pl.histgg | Plot histograms for a data frame with ggplot2 |
| pl.hs | Plot histograms and scatter plots for a data frame |
| pl.hsd | Plot histogram with density line for a data frame |
| pl.multiplot | Multiple plot function for ggplot2 objects |
| pl.s | Plot scatter plots for a data frame |
| pl.sm | Plot scatter smooth plots for a data frame |
| pl.ts | Plot time series plots for a data frame |
| pl.tss | Time series plot with multiple variables |
| reg.adj.r.squared | Adjusted R-squared for lm.fit |
| reg.aic | AIC for lm.fit |
| reg.bic | BIC for lm.fit |
| reg.dof | Degree of freedom for lim.fit |
| reg.dw | Durbin-Watson Test |
| reg.linreg | Linear regression processor |
| reg.model | Linear model generator |
| reg.r.squared | R-squared for lm.fit |
| reg.std.err | Standard error for lim.fit |
| tr.log | Sigmoid function |
| tr.logtb | Logistic function |
| tr.nd | Normal density function |
| tr.unli | Unit normal loss integral |
| xd.avt | Download data from Alpha Vantage |
| xd.fred | Download data from Federal Reserve Bank of St. Louis |
