Yeah I have some nerdish tendencies, but trust me, I do this for a living.

My job requires me to do statistical analyses of all kinds of numbers.
So here's what the columns show:
k/d is your kills to death ratio. If the number is 1.0, you died once for every time you were killed. Higher than 1, you've killed more times than being killed. Less than one, go practice some more
k/d+C - This is the same thing, but includes death by crash. I have concluded that crashes are NOT counted in your deaths total. Find a noob and look at his stats. Yu will find some with more crashes than deaths. That's how I came to the conclusion. So, I like this stat because it includes your total deaths (killed & crashed) and shows how many kills you have compared to your deaths
win/k - I'm going to make to some folks made with this one. So be it. It's just numbers and my opinion. I took the number of wins and divided by kills and converted it to a percentage. So, here's what I think it shows. It's a teamplayer stat or at least a mission minded stat. The higher this percentage is an indication that your concentration in the game is to win the mission. However, I thinks its more complicated than that. I think an extremely high (much higher than the average) is an indication of somebody that is a "Win hunter". There is one player here that has a number even outside the range of a simple anomoly and from personal observation, I know that player quits nearly every game I have seen him in. That is unless he's on a stacked team. If there is any skilled opposition on the other team, he quits. That my definition of a win-hunter. My opinion is players in a range between 7% to 20% are mission players. Less than that are pilots more concerned with kills than wins. Don't like "my opinion", I can live with that.
k-avg and k vs avg% & H-avg and H vs Avg%- these all compare kills and hangars bombed to the average for a that rank. If the number is negative, it is that many below average and positive is that many above the average. The percentage is the same thing just represented by a percentage. below 100% is below average and above 100% is above average.
So all that is a lot, just to say, yep I have nerdish tendencies. I'd be glad to post the same stats for anyone that would like to see theirs compared to the top 25 in their rank. Just give me you in-game name.
If you don't like this or don't agree, feel free to say so. It's just numbers and I do it for fun. This was not intended to point anyone's faults shortcomings (or heroics).
PH