Github user Wyatts commented on the issue:
https://github.com/apache/jmeter/pull/296
FWIW, [this
article](https://analyse-it.com/blog/2013/2/quantiles-percentiles-why-so-many-ways-to-calculate-them)
has two citations in favour of defaulting to what Wikipedia calls R-8 (though
Github user Wyatts commented on the issue:
https://github.com/apache/jmeter/pull/253
Because InfluxDB makes a rather draconian distinction between "fields" and
"tags" (and seemingly completely lacks the ability to convert either to the
other _post hoc_),