public PointBuilder set(String dimensionName, double dimensionValue) {
        return set(dimensionName, Value.of(dimensionValue));
    }
Set a named dimension to a floating point value.

@param dimensionName the name of the dimension to set
@param dimensionValue to value for the given dimension
@return this, to facilitate chaining
container-core/src/main/java/com/yahoo/metrics/simple/PointBuilder.java