The Prospector

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Explore our business intelligence-building digital tools and databases, search for help, review our business information, or share your concerns and questions. A secure, online source for increased visibility into your UL project files, product information, documents, samples and services. Verify the certification of products and components with Product iQ. Advanced search and filtering make it easy to access guide information, alternative products and more. Drive positive change with our offerings that expertly address your business needs or industry challenges. Our software enables users to find and source materials easier and faster than ever before.

Additionally, plastics engineers can find resources to identify alternative resins, OEM-approved approved automotive plastics, biopolymers, UL Yellow Card property searches and more.

The Prospector Masterwork (Prospector Exotic Catalyst) - Destiny 2 ARC WEEK

Prospector users can view technical documentation, request samples and contact suppliers directly from any internet-connected device. Delve into detailed press kits for information on our work. Connect with us in person or online, around the globe.

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Businesses, industries, governments, regulatory authorities and the public put their trust in us so they can make smarter decisions. Explore our business intelligence-building digital tools and databases, search for help, review our business information, or share your concerns and questions. A secure, online source for increased visibility into your UL project files, product information, documents, samples and services.

Verify the certification of products and components with Product iQ. Advanced search and filtering make it easy to access guide information, alternative products and more. Drive positive change with our offerings that expertly address your business needs or industry challenges. Our software enables users to find and source materials easier and faster than ever before. Additionally, plastics engineers can find resources to identify alternative resins, OEM-approved approved automotive plastics, biopolymers, UL Yellow Card property searches and more.

Prospector users can view technical documentation, request samples and contact suppliers directly from any internet-connected device. Prospector's Knowledge Center offers product formulators and engineers industry education and trend information to stay current in the ever-changing world of product development. We want sensitivity to increase faster than the fallout. If we do find this criteria, our odds of picking gold should increase the more picky we are.


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The curves for good features tend to be closer to the left and the top of the graph. This makes the pink area under them bigger. Calculating areas is something a computer can do for us. By testing a lot of different features shininess, distance to a snail, etc automatically and going through this process, we can find the best feature or combination of features to base our decisions on. In each case, we start from a high threshold, slowly decrease it, plot the curve, and measure the area under it. A computer can quickly pick the best feature, or combination of features, that predicts if something is gold.

Of course we have to run a lot of experiments. This is made easier if you have a lot of data already at hand. ROC curves can help you make sense of data you already have, they find events or features that are good predictors for the thing you want to find.

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If we have a database of rock samples that records their shape, weight, colour, shininess, etc, as well as whether or not they are gold, a computer could automatically figure out which of those features is the best predictor of real gold. When we base our decisions on some feature, we are using a simple model. A model is a set of criteria, or a process, we use to make decisions. Models in Machine Learning are often more complicated than the one in our example, but they all serve the same purpose.

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Playing the role of the prospector, your decision-making went something like this:. This is your simple mental model. You may change it depending on how useful it is to you. All of these then become part of your model.

The Opportunity Prospector: Link Development’s Most Undervalued Role

The benefit of models is that they can be used in future decisions. If you found that shininess, or some other group of features, is a good way to sort the gold from the rocks, you might tell your close friends to use that same model to make their decisions. You can see other real life cases where having a good model would be important.

So you decide to look for some feature; for example, how well-dressed they are, or how quickly they answer a particular question. You hope that this will be a good predictor of their productivity in the company, but the only way you know is by crunching the numbers. In Machine Learning, programs automatically run through a lot of data and find useful relationships to build useful models. ROC curves help us decide if the model is a good one, or if it needs to be updated.

How Machine Learning algorithms actually create these models will be the subject of another post. The Confusion Matrix has a lot of terms in it. Here are some of the other terms and what they mean for our prospector. Miss rate is the other half of sensitivity.

Together, both terms help you understand how much of the total gold you got, and how much you left behind. How much of the gold did I leave behind? These two terms help you understand what the landscape you left behind looks like, i. How much of the stuff left behind was a mistake? How much of the stuff left behind was I right to leave behind?

These two terms help you understand how much of the stuff in your wheelbarrow is gold, and how much is worthless. How much of my wheelbarrow is actually gold? How much of the stuff in my wheelbarrow is worthless? Sign in. Get started. The gold prospector: ROC curves and the search for gold. Yervant Kulbashian Follow.

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