diff --git a/templates/partials/sparkline.html b/templates/partials/sparkline.html
index 5353e89..a89401c 100644
--- a/templates/partials/sparkline.html
+++ b/templates/partials/sparkline.html
@@ -49,7 +49,7 @@
{{ title }}
{% if best_fit_formula %}
- y = {{ best_fit_formula.slope }}x {% if best_fit_formula.intercept != 0 %}+ {{ best_fit_formula.intercept }}{% endif %}, {{ best_fit_formula.kg_per_week }} kg/week, {{ best_fit_formula.kg_per_month }} kg/month
+ {{ best_fit_formula.kg_per_week }} kg/week, {{ best_fit_formula.kg_per_month }} kg/month
{% endif %}
diff --git a/utils.py b/utils.py
index bbe2eeb..b11ee63 100644
--- a/utils.py
+++ b/utils.py
@@ -279,11 +279,9 @@ def get_exercise_graph_model(title, estimated_1rm, repetitions, weight, start_da
best_fit_points = list(zip(y_best_fit, relative_positions))
# Convert the slope from scaled units per day to kg per day
- slope_kg_per_day = m * (max_e1rm - min_e1rm) / total_span
+ slope_kg_per_day = (max_e1rm - min_e1rm) / total_span
best_fit_formula = {
- 'slope': round(m,1),
- 'intercept': round(b,1),
'kg_per_week': round(slope_kg_per_day * 7, 1), # Convert to kg/week
'kg_per_month': round(slope_kg_per_day * 30, 1) # Convert to kg/month
}