# Computations Related to Plotting (Graphics)

These are the available functions for computations related to plotting. See each function's help topic in the TERR Language Reference for more information.

Function name | Title description
--- | ---
`acf` | Auto- and Cross- Covariance or Correlation Estimation
`approx` | Interpolation Functions
`approxfun` | Interpolation Functions
`ccf` | Auto- and Cross- Covariance or Correlation Estimation
`density` | Kernel Estimate of Probability Density Function
`density.default` | Kernel Estimate of Probability Density Function
`ecdf` | Empirical Cumulative Distribution Function
`extendedrange` | Numbers a bit outside the range of a vector
`pacf` | Auto- and Cross- Covariance or Correlation Estimation
`plot.ecdf` | Empirical Cumulative Distribution Function
`ppoints` | Plotting Points for Quantile-Quantile Plots
`print.ecdf` | Empirical Cumulative Distribution Function
`qqnorm` | Normal Quantile-Quantile Plots
`qqnorm.default` | Normal Quantile-Quantile Plots
`quantile.ecdf` | Empirical Cumulative Distribution Function
`range` | Get the Range of Data
`spline` | Interpolating Splines
`splinefun` | Interpolating Splines
`splinefunH` | Interpolating Splines
`summary.ecdf` | Empirical Cumulative Distribution Function
`xy.coords` | X,Y Arguments
`xyTable` | Tabulate repeated x-y points