| fMRItools-package | fMRItools: Routines for Common fMRI Processing Tasks | 
| all_binary | All binary? | 
| all_integers | All integers? | 
| as.matrix_ifti | Convert CIFTI, NIFTI, or GIFTI input to T \times V matrix | 
| bandstop_filter | Bandstop filter | 
| carpetplot | Carpetplot | 
| carpetplot_stack | Stacked carpetplot | 
| colCenter | Center matrix columns | 
| color_palette | Color palette | 
| CompCor | Anatomical CompCor | 
| CompCor_HCP | Anatomical CompCor for HCP NIFTI and CIFTI data | 
| coordlist_to_vol | Convert coordinate list to 3D array | 
| crop_vol | Crop a 3D array | 
| dct2Hz | DCT and frequency conversion | 
| dct_bases | Generate cosine bases for the DCT | 
| dct_convert | DCT and frequency conversion | 
| despike_3D | 3dDespike from AFNI | 
| detrend | Temporal filtering (bandpass, highpass, lowpass) with DCT or FFT | 
| dilate_mask_vol | Dilate 3D mask | 
| dim_reduce | PCA-based Dimension Reduction and Prewhitening | 
| dual_reg | Dual Regression | 
| dual_reg_parc | Multiple regression for parcel data | 
| erode_mask_vol | Erode 3D mask | 
| expand_RPs | Expand realignment parameters (RPs) | 
| fMRItools | fMRItools: Routines for Common fMRI Processing Tasks | 
| fsl_bptf | 'bptf' function from FSL | 
| hat_matrix | Hat matrix | 
| Hz2dct | DCT and frequency conversion | 
| infer_format_ifti | Infer fMRI data format | 
| infer_format_ifti_vec | Infer fMRI data format for several inputs | 
| is_1 | Is this object the expected data type, and length one? | 
| is_constant | Is this numeric vector constant? | 
| is_integer | Is this an integer? | 
| is_posNum | Is this object a positive number? (Or non-negative) | 
| mat2UT | Matrix to Upper Triangular Vector | 
| match_exactly | Do these character vectors match exactly? | 
| match_input | Match user inputs to expected values | 
| mean_squares | Compute mean squares from variance decomposition | 
| Mode | Mode of data vector | 
| norm_BOLD | Normalize BOLD data | 
| nuisance_regression | Nuisance regression | 
| pad_vol | Pad 3D Array | 
| PCA | PCA for tall matrix | 
| pct_sig | Convert data values to percent signal. | 
| plot_FC | Plot FC | 
| plot_FC_gg | Plot FC with ggplot2 | 
| read_nifti | Wrapper to functions for reading NIFTIs | 
| scale_design_mat | Scale a design matrix | 
| scale_med | Robust scaling | 
| scale_timeseries | Scale the BOLD timeseries | 
| sign_flip | Sign match ICA results | 
| skew_pos | Positive skew? | 
| sum_neighbors_vol | Sum of each voxel's neighbors | 
| temporal_filter | Temporal filtering (bandpass, highpass, lowpass) with DCT or FFT | 
| uncrop_vol | Pad 3D Array | 
| unmask_mat | Unmask matrix data | 
| unvec_mat | Transform vector data to image | 
| unvec_vol | Convert vectorized data back to volume | 
| UT2mat | Upper Triangular Vector to Matrix | 
| validate_design_mat | Validate design matrix | 
| var_decomp | Compute variance decomposition | 
| vox_locations | Get coordinates of each voxel in a mask |