Rockets are trending in the right direction in important statistical area

Portland Trail Blazers v Houston Rockets | Alex Slitz/GettyImagesThe Houston Rockets have had an interesting shooting season, leading the league in three-point percentage (42.7%) while being dead last in attempts per game (31.3). Lately, they're trending upwards in volume.

It's basic math. To win the numbers game, a team needs to take and make a lot of threes. It's impressive to lead the league in percentage, but it comes with a caveat when you're taking the fewest attempts.

Now, the Rockets are starting to launch with acceptable frequency.

Rockets are turning a corner in a key statistical area

Against the Blazers on Friday, the Rockets attempted 45 threes.

They hit 17 of them, good for 38%.…