The
    {%- if data.name is defined %} {{ data.name }}
    {%- else %} {{ series_index|num_to_word }}
    {% endif -%}
{{ ' ' }}series is 
    {%- if data.fit > 0.75 %} broadly
    {%- elif data.fit > 0.25 %} somewhat
    {%- else %} loosely
    {%- endif %} linear. It has a value an initial value of {{ data.start_value.y|default('unknown') }} at point {{ data.start_value.y }} and {% if data.start_value.y > data.end_value.y %}increased{% else %}decreases{% endif %} until reaching {{ data.end_value.y }} at point {{ data.end_value.x }}.
