model_class: NDT1 | |
encoder: | |
from_pt: null | |
stitching: false | |
masker: | |
force_active: true | |
mode: temporal | |
ratio: 0.3 # ratio of data to predict | |
zero_ratio: 1.0 # of the data to predict, ratio of zeroed out | |
random_ratio: 1.0 # of the not zeroed, ratio of randomly replaced | |
expand_prob: 0.0 # probability of expanding the mask in ``temporal`` mode | |
max_timespan: 1 # max span of mask if expanded | |
channels: null # neurons to mask in "co-smoothing" mode | |
timesteps: null # time steps to mask in ``forward-pred`` mode | |
mask_regions: ['all'] # brain regions to mask in ``inter-region`` mode | |
target_regions: ['all'] # brain regions to predict in ``intra-region`` mode | |
n_mask_regions: 1 # num of regions to choose from the list of mask_regions or target_regions | |
# context available for each timestep | |
context: | |
forward: -1 | |
backward: -1 | |
norm_and_noise: | |
active: false | |
smooth_sd: 2 # gaussian smoohing | |
norm: "zscore" # which normalization layer to use (null/layernorm/scalenorm/zscore) | |
eps: 1.e-7 # avoid dividing by zero when normalizing padded spikes | |
white_noise_sd: 1.0 # gaussian noise added to the inputs 1.0 originally | |
constant_offset_sd: 0.2 # gaussian noise added to the inputs but contsnat in the time dimension 0.2 originally | |
embedder: | |
n_channels: 668 # number of neurons recorded | |
n_blocks: 24 # number of blocks of experiments | |
n_dates: 24 # number of days of experiments | |
max_F: 100 # max feature len in timesteps | |
mode: linear # linear/embed/identity | |
mult: 2 # embedding multiplier. hiddden_sizd = n_channels * mult | |
adapt: false # adapt the embedding layer for each day | |
pos: true # embed position | |
act: softsign # activation for the embedding layers | |
scale: 1 # scale the embedding multiplying by this number | |
bias: true # use bias in the embedding layer | |
dropout: 0.2 # dropout in embedding layer | |
fixup_init: false # modify weight initialization | |
init_range: 0.1 # initialization range for embeddings | |
spike_log_init: false # special initialization | |
max_spikes: 0 # max number of spikes in a single time bin | |
tokenize_binary_mask: false | |
use_prompt: false | |
use_session: false | |
stack: | |
active: false # wether to stack consecutive timesteps | |
size: 32 # number of consecutive timesteps to stack | |
stride: 4 # stacking stride | |
transformer: | |
n_layers: 5 # number of transformer layers | |
hidden_size: 512 # hidden space of the transformer | |
use_scalenorm: false # use scalenorm instead of layernorm | |
use_rope: false # use rotary postional encoding | |
rope_theta: 10000.0 # rope angle of rotation | |
n_heads: 8 # number of attentiomn heads | |
attention_bias: true # learn bias in the attention layers | |
act: gelu # activiation function in mlp layers | |
inter_size: 1024 # intermediate dimension in the mlp layers | |
mlp_bias: true # learn bias in the mlp layers | |
dropout: 0.4 # dropout in transformer layers | |
fixup_init: true # modify weight initialization | |
factors: | |
active: false # project from hidden_size to factors | |
size: 8 # factors size | |
act: relu # activation function after projecting to factors | |
bias: true # use bias in projection to factors | |
dropout: 0.0 # dropout in projection to factors | |
fixup_init: false # modify weight initialization | |
init_range: 0.1 # initialization range for factors projetion | |
decoder: | |
from_pt: null | |