The seven mastery levels of credit card usage

There are many ways to use a credit card, probably as many ways as there are people using credit cards. And, just as there are no two people created equal, there are no two equal ways to use a card. We can’t really talk about each of those in detail so I just created this super-clever 7-level classification in the progressive mastery of credit card usage.

I ordered the seven levels by their increasing level of mastery, but not in the order people would go through them. Obviously, everyone will start at the “average” level (the third level in my arbitrary system). In a way, everyone has a shot at using credit cards in a clever way. From there, one would either go down to one of the first two levels (the “bad” ones) or up to one of the top four levels (the “good” ones).

credit card usage
credit card usage

So here are the seven levels:

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How to open a credit card

They say there are two kinds of people: those who pay interest and those who earn interest…. and there are those who know to open a credit card and those who don’t.

The above was just a general reminder not to forget as one thinks about opening a new line of credit. Below I will lay out the steps I follow when I open a new credit card.

how to open a credit card
how to open a credit card
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Alternative transfer functions for a competitive neural network to rank sport teams

Perhaps the defining factor in a competitive neural network is its transfer function. In the case of networks used to rank sports teams, at the very least, the transfer function will be driven by the results between the pairs of teams. However, the use of the result in the function can take many forms. I will explore them.

Just a formula that looks cool

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Modeling the electoral college as a knapsack problem

In my previous and first post about the electoral college, I tried to show how it is possible to get the necessary 270 votes to win the election in the college and do it winning the popular election in a minority of the states. Now we model the electoral college as a knapsack problem.

My approach was a bit simplistic (heuristic) and now I will show how to model the electoral college as an example of a very well-known problem in mathematical programming: the knapsack problem. In the knapsack problem, you want to fill the knapsack with a few items. Each item has a weight and some value to you, and you want to pack the knapsack with as much value as possible within the weight the knapsack (and your own back!) can hold.

transfer functions neural network
Kind of funny because the Democrats carry a big handicap in the electoral college
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The Simple Path to Wealth (book review)

“The Simple Path to Wealth” is the book by Jim Collins, that compiles and re-organizes everything in his Stock Series posts from the blog he started a few years ago to teach his daughter about finances.

The Simple Path to WealthI read his blog from beginning to end once and then just his Stock Series a second time. And then when I read the book I didn’t get much new (it was my third time reading the material after all) but the book is better organized (obviously) and is a bit more succinct (Collins tends to be a bit verbose in his blog), so if you read a few of his posts and they “click” then you may want to try and read the book. Also, having the book makes it easier to share with friends that could benefit from the knowledge (kind of part of my idea when I bought it).

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