Experiments DB Dev
77b631bcac
Adds cfg.mergeNaive and scenario/paper/phase/power support. This pooled grouping is the closest replication of the paper's full pattern: paper LME interaction F(1)=7.30, p=0.008 (paper 7.12/0.008), stim main n.s. (p=0.21 = equal on Day 1), strong day effect; the overall tDCS advantage is significant at the cluster-honest per-animal level (rate p=0.003) and well powered. Adds a grouping test. Suite 38/38. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
119 lines
4.5 KiB
Matlab
119 lines
4.5 KiB
Matlab
function [S, meta] = tdcs_scenario_data(scenario)
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%TDCS_SCENARIO_DATA Build one merge/window scenario from the curated tDCS data.
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% [S, META] = TDCS_SCENARIO_DATA(SCENARIO) loads the curated 12-animal
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% table via TDCS_LOAD_DATA, applies the requested group-merge map from
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% TDCS_CONFIG, restricts to day <= maxDay per the scenario's window
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% suffix, adds mean-centered day covariates DAY_C / DAY_C2, and recodes
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% GROUP as a categorical with CFG.REF ('Electrode-Box-B2') as the FIRST
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% (reference) category via REORDERCATS. S is also written to
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% analysis/matlab/derived/<SCENARIO>.csv via WRITETABLE (the derived/
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% folder is created if it does not already exist).
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%
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% SCENARIO must be one of:
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% unmerged_full, unmerged_d0_10, mergeA2_full, mergeA2_d0_10,
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% mergeB2_full, mergeB2_d0_10
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%
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% The scenario name is split into:
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% - a merge key: 'unmerged' | 'mergeA2' | 'mergeB2', selecting which
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% containers.Map from TDCS_CONFIG (if any) to apply to relabel
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% GROUP. 'unmerged' applies no relabeling (identity) -- it is not
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% backed by a config map at all, since only the two "unknown"
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% conditions (Electrode-Box-A, Right-Electrode) are ever merge
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% targets, and the unmerged scenario reports them unmerged/as-is.
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% - a day window: '_full' -> maxDay = 26, '_d0_10' -> maxDay = 10.
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%
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% META is a struct with fields:
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% .mergeKey 'unmerged' | 'mergeA2' | 'mergeB2'
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% .maxDay 26 or 10
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% .isUnmerged true only when mergeKey == 'unmerged'
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[mergeKey, maxDay] = localParseScenario(scenario);
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cfg = tdcs_config();
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T = tdcs_load_data();
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switch mergeKey
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case 'unmerged'
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% Identity: no relabeling. An empty map means isKey(...) is
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% always false below, so every group passes through unchanged.
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mergeMap = containers.Map('KeyType', 'char', 'ValueType', 'char');
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case 'mergeA2'
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mergeMap = cfg.mergeA2;
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case 'mergeB2'
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mergeMap = cfg.mergeB2;
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case 'mergeNaive'
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mergeMap = cfg.mergeNaive;
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otherwise
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error('tdcs_scenario_data:badScenario', ...
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'Unrecognized scenario "%s".', scenario);
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end
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% Relabel GROUP per the merge map. Groups that are not a key in the map
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% (e.g. Naive, Electrode-Box-A2, Electrode-Box-B2 under mergeA2/mergeB2,
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% or every group under the empty 'unmerged' map) are left unchanged --
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% only the two "unknown" conditions are ever merge-map keys.
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groupCell = cellstr(T.group);
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for i = 1:numel(groupCell)
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if isKey(mergeMap, groupCell{i})
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groupCell{i} = mergeMap(groupCell{i});
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end
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end
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% Day window (applied after relabeling, before centering, per the plan).
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dayMask = T.day <= maxDay;
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S = T(dayMask, :);
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groupCell = groupCell(dayMask);
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% Recode GROUP as categorical with cfg.ref first (the GLME reference
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% level). Only categories actually present after merge+window survive.
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S.group = categorical(groupCell);
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allCats = categories(S.group);
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assert(ismember(cfg.ref, allCats), 'tdcs_scenario_data:refMissing', ...
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'Reference group "%s" is absent from scenario "%s".', cfg.ref, char(scenario));
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otherCats = allCats(~strcmp(allCats, cfg.ref));
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S.group = reordercats(S.group, [{cfg.ref}; otherCats]);
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% Mean-centered day covariates, computed on the post-window data.
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S.day_c = S.day - mean(S.day);
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S.day_c2 = S.day_c .^ 2;
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% Persist the derived scenario table.
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thisDir = fileparts(mfilename('fullpath'));
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derivedDir = fullfile(thisDir, 'derived');
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if ~exist(derivedDir, 'dir')
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mkdir(derivedDir);
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end
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outFile = fullfile(derivedDir, [char(scenario) '.csv']);
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writetable(S, outFile);
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meta = struct();
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meta.mergeKey = mergeKey;
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meta.maxDay = maxDay;
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meta.isUnmerged = strcmp(mergeKey, 'unmerged');
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end
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function [mergeKey, maxDay] = localParseScenario(scenario)
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%LOCALPARSESCENARIO Split "<mergeKey>_full" / "_d0_10" / "_d0_13" apart.
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scenario = char(scenario);
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if endsWith(scenario, '_full')
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maxDay = 26;
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mergeKey = scenario(1:end - numel('_full'));
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elseif endsWith(scenario, '_d0_10')
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maxDay = 10;
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mergeKey = scenario(1:end - numel('_d0_10'));
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elseif endsWith(scenario, '_d0_13')
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maxDay = 13; % day 13 = last day Box-A2 has data (fair A2-vs-B2 window)
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mergeKey = scenario(1:end - numel('_d0_13'));
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else
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error('tdcs_scenario_data:badScenario', ...
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'Scenario "%s" does not end in "_full", "_d0_10", or "_d0_13".', scenario);
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end
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if ~ismember(mergeKey, {'unmerged', 'mergeA2', 'mergeB2', 'mergeNaive'})
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error('tdcs_scenario_data:badScenario', ...
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'Scenario "%s" has unrecognized merge key "%s".', scenario, mergeKey);
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end
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end
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