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e1071::sigmoid The Logistic Function and Derivatives
lubridate::time_length Compute the exact length of a time span
raster::Arith-methods Arithmetic with Raster* objects
raster::Compare-methods Compare Raster* objects
raster::Logic-methods Logical operators and functions
raster::Math-methods Mathematical functions
raster::atan2,Raster,Raster-method Two argument arc-tangent
raster::cv Coefficient of variation
raster::modal modal value
slam::simple_sparse_array Simple Sparse Arrays
slam::simple_triplet_matrix Simple Triplet Matrix
slam::slam_options Options for the 'slam' package
terra::Arith-methods Arithmetic
terra::atan2,SpatRaster,SpatRaster-method Two argument arc-tangent
terra::Compare-methods Compare and logical methods
terra::Math-methods General mathematical methods
terra::modal modal value
tm::termFreq Term Frequency Vector
base::bessel Bessel Functions
base::cosh Hyperbolic Functions
base::is.finite Finite, Infinite and NaN Numbers
base::rcond Compute or Estimate the Condition Number of a Matrix
base::log Logarithms and Exponentials
base::abs Miscellaneous Mathematical Functions
base::norm Compute the Norm of a Matrix
base::polyroot Find Zeros of a Real or Complex Polynomial
base::Special Special Functions of Mathematics
base::Trig Trigonometric Functions
base::.Machine Numerical Characteristics of the Machine
boot::corr Correlation Coefficient
boot::cum3 Calculate Third Order Cumulants
boot::empinf Empirical Influence Values
boot::inv.logit Inverse Logit Function
boot::logit Logit of Proportions
MASS::fractions Rational Approximation
MASS::rational Rational Approximation
Matrix::expm Matrix Exponential
stats::convolve Convolution of Sequences via FFT
stats::D Symbolic and Algorithmic Derivatives of Simple Expressions
stats::fft Fast Discrete Fourier Transform (FFT)
stats::integrate Integration of One-Dimensional Functions
stats::nextn Find Highly Composite Numbers
stats::poly Compute Orthogonal Polynomials
stats::spline Interpolating Splines