Function linearOK

src/plots/cartesian/axis_autotype.js:46–54

(a, convertNumeric)

// is there at least one number in array? If not, we should leave
// ax.type empty so it can be autoset later
function linearOK(a, convertNumeric) {
    var len = a.length;

    for(var i = 0; i < len; i++) {
        if(hasTypeNumber(a[i], convertNumeric)) return true;
    }

    return false;
}

// does the array a have mostly dates rather than numbers?
// note: some values can be neither (such as blanks, text)