The machine learning and the artificial intelligence can detect changes in that, and we can set parameters where it will trigger an alert to give you the …

While DJI's Phantom 4 Pro strictly targeted filmmakers, folks who wanted that form factor were stuck paying the long dollar ($1,500 - $1,800) for it. Sure, it might've been overshadowed by the company's less expensive Mavic Pro ($749 - $999), but not everyone wants a foldable UAV. That's where the newly announced Phantom 4 Advanced and Advanced come in, offering sizable improvements for less money. Oh and if you were a fan of the base Phantom 4, know that it's being discontinued soon. The Advanced's onboard camera has a 1-inch, 20-megapixel image sensor, larger than the standard Phantom 4's and inline with the Phantom 4 Pro.

The purpose of this study is to evaluate the validity of measuring grammatical diversity with a specifically designed Lexical Diversity Assessment Tool (LDAT). A secondary objective is to use LDAT to determine if the level of difficulty assigned to English as a Second Language (ESL) texts corresponds to increases in grammatical, lexical, and temporal diversity. Other methods of lexical diversity assessment, such as type-token ratio (TTR), have been used with varying accuracy in an effort to determine the complexity or level of texts. We analyzed 120 ESL texts independently assigned by their sources to one of four levels (Beginner, Lower-intermediate, Upper-intermediate, and Advanced). We demonstrated that LDAT significantly reflected the grammatical diversity within these texts. While the findings conflicted with the prediction that grammatical and lexical diversity would increase with assigned level, we concluded that the implementation of LDAT in text design could provide reliable assessments of grammatical diversity.