P1, data layer. 855 of Doxa's 2,107 groups are in India and 154 in China — 47.9%
of everything this map draws, rendered until now as two flat fills. No other
country is close; the third is Sudan at 105. Each group is placed into a province
by point-in-polygon on its coordinate: 44 provinces with groups, 998 assigned,
13 provinces holding groups with nothing.
China's ADM1 file carries 12 provinces, not 31+, and I expected that to lose
groups. Measured instead: 152 of 154 Chinese groups fall inside them and all
twelve are used. The file was cut to the provinces where the unreached peoples
are, so the subset is the right subset.
The 11 groups that land outside every polygon are COUNTED, not dropped — nine
Indian and two Chinese, every one of them coastal or an island. That is the
predicted failure of placing a people by a single point, and it belongs in the
output rather than in a silence.
Every row is flagged approximate, because a province here comes from a coordinate
that marks where a people is found rather than a settlement, and 108 groups in
the roster share a coordinate with another group.
Going below the border also exposed something the country view was hiding:
Arunachal Pradesh, in the far north-east, is offered TELUGU as its way in,
because the curated bridge table names it and a curated bridge outranks the
computed one. India's computed default is Hindi, defensible nationally and still
wrong for much of the north-east. This table does not fix that. It records it, and
says to read the ways-in column as "a language with Scripture and film somewhere
in this country" until a bridge can be chosen per province.
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