Miscellaneous data generators for unittests and demos
Functions
autocorrelated_noise(ds, sr, cutoff[, lfnl, ...]) | Generate a dataset with samples being temporally autocorrelated noise. |
chirp_linear(n_instances[, n_features, ...]) | Generates simple dataset for linear regressions |
double_gamma_hrf(t[, A1, W1, K1, A2, W2, K2]) | Hemodynamic response function model. |
dumb_feature_binary_dataset() | Very simple binary (2 labels) dataset |
dumb_feature_dataset() | Create a very simple dataset with 2 features and 3 labels |
get_mv_pattern(s2n) | Simple multivariate dataset |
get_random_rotation(ns[, nt, data]) | Return some random rotation (or rotation + dim reduction) matrix |
linear1d_gaussian_noise([size, slope, ...]) | A straight line with some Gaussian noise. |
linear_awgn([size, intercept, slope, ...]) | Generate a dataset from a linear function with AWGN |
local_random_affine_transformations(ds, ...) | Distort a dataset in the local neighborhood of selected features. |
multiple_chunks(func, n_chunks, *args, **kwargs) | Replicate datasets multiple times raising different chunks |
noisy_2d_fx(size_per_fx, dfx, sfx, center[, ...]) | Yet another generator of random dataset |
normal_feature_dataset([perlabel, nlabels, ...]) | Generate a univariate dataset with normal noise and specified means. |
pure_multivariate_signal(patterns[, ...]) | Create a 2d dataset with a clear purely multivariate signal. |
random_affine_transformation(ds[, ...]) | Distort a dataset by random scale, shift, and rotation. |
simple_hrf_dataset([events, hrf_gen, ...]) | events: list of Events or ndarray of onsets for simple(r) designs |
sin_modulated(n_instances, n_features[, ...]) | Generate a (quite) complex multidimensional non-linear dataset |
single_gamma_hrf(t[, A, W, K]) | Hemodynamic response function model. |
vstack(datasets[, a, fa]) | Stacks datasets vertically (appending samples). |
wr1996([size]) | Generate ‘6d robot arm’ dataset (Williams and Rasmussen 1996) |
Classes
Dataset(samples[, sa, fa, a]) | Generic storage class for datasets with multiple attributes. |
Event(**kwargs) | Simple class to define properties of an event. |
IndexQueryEngine([sorted]) | Provides efficient query engine for discrete spaces. |