From 0c97f22069d77cf3cac92d68173e38f83b258a9a Mon Sep 17 00:00:00 2001
From: Jonas Knobloch <jonas.knobloch@t-online.de>
Date: Sat, 11 Apr 2026 01:09:16 +0200
Subject: Add lesci module

---
 research/lesci/experiment.go | 96 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 research/lesci/experiment.go

(limited to 'research/lesci/experiment.go')

diff --git a/research/lesci/experiment.go b/research/lesci/experiment.go
new file mode 100644
index 0000000..4184199
--- /dev/null
+++ b/research/lesci/experiment.go
@@ -0,0 +1,96 @@
+package lesci
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+
+	_ "github.com/duckdb/duckdb-go/v2"
+
+	"go.jknobloc.com/x/dataset"
+	"go.jknobloc.com/x/llm"
+)
+
+type Experiment struct {
+	model          llm.Causal
+	tokenizer      llm.Tokenizer
+	counterfactual llm.Tokenizer
+	data           dataset.Reader
+	name           string
+	cutoff         int
+	window         int
+}
+
+func NewExperiment(model llm.Causal, tokenizer, counterfactual llm.Tokenizer, data dataset.Reader, name string, cutoff, window int) (*Experiment, error) {
+	e := &Experiment{
+		model:          model,
+		tokenizer:      tokenizer,
+		counterfactual: counterfactual,
+		data:           data,
+		name:           name,
+		cutoff:         cutoff,
+		window:         window,
+	}
+
+	return e, nil
+}
+
+func (e *Experiment) Run() error {
+	if err := os.MkdirAll(e.name, 0775); err != nil {
+		log.Fatal(err)
+	}
+
+	dsn := filepath.Join(e.name, "lesci.db")
+
+	var db *sql.DB
+
+	if database, err := initDatabase(dsn); err != nil {
+		return err
+	} else {
+		db = database
+	}
+
+	defer db.Close()
+
+	db.SetMaxOpenConns(1)
+
+	fmt.Println(e.name)
+
+	if err := e.BuildContext(db); err != nil {
+		return err
+	}
+
+	if err := e.ExtractData(db); err != nil {
+		return err
+	}
+
+	if err := e.Analyze(db); err != nil {
+		return err
+	}
+
+	if err := e.Plot(db); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func initDatabase(dsn string) (*sql.DB, error) {
+	var db *sql.DB
+
+	if database, err := sql.Open("duckdb", dsn); err != nil {
+		return nil, err
+	} else {
+		db = database
+	}
+
+	if err := db.Ping(); err != nil {
+		_ = db.Close()
+
+		return nil, err
+	}
+
+	return db, nil
+}
-- 
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