All posts by Andrey Kamenov

Andrey Kamenov, Ph.D. Probability and Statistics Andrey Kamenov is a data scientist working for Advameg Inc. His background includes teaching statistics, stochastic processes and financial mathematics in Moscow State University and working for a hedge fund. His academic interests range from statistical data analysis to optimal stopping theory. Andrey also enjoys his hobbies of photography, reading and powerlifting.

The price premium for multi-floor homes is decreasing

Andrey Kamenov

Andrey Kamenov, Ph.D. Probability and Statistics

Most people looking to buy a home likely consider at some point whether or not they want to have a second floor. There are many things to consider here: does someone in your family have any trouble climbing the stairs? Do you have small children who might fall from them? How much land area would you save? And do you enjoy having bedrooms and your kitchen on different floors?

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Uncommon names are more popular in California and Texas

Andrey Kamenov

Andrey Kamenov, Ph.D. Probability and Statistics

The official Social Security website provides data on the popularity of thousands of names, including very uncommon names. It includes every single name mentioned at least five times during any given year. This allows us to compare the distributions of names by popularity across several decades.

It is relatively common knowledge that the diversity of baby names has been increasing throughout the century. To illustrate this, let’s take a look at the number of the most popular names accounting for the largest percentage of all births.

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Seasonal lending patterns: when are the most loans defaulted?

Andrey Kamenov

Andrey Kamenov, Ph.D. Probability and Statistics

Today we take a look at the seasonal aspect of peer-to-peer lending. Thanks to data provided by Prosper (https://www.prosper.com/tools/DataExport.aspx) we can perform a quantitative analysis of loan charge-off times and find if there are any seasonal patterns present.

First, let’s take a look at the lifespan distribution of a defaulted loan. We see that the default rates increase significantly during the first months, with the largest number of defaults registered in the eighth and ninth months after origination.

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Why finance jobs are dependent on the economy

Andrey Kamenov

Andrey Kamenov, Ph.D. Probability and Statistics

How much does the state of the economy affect jobs in the finance sector? According to the U.S. Census Bureau’s County Business Patterns data, different industries in this sector exhibit significantly different patterns.

Most of all, we are interested in how finance jobs were affected by the 2007-08 crisis, and if they are influenced by financial markets.

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E-commerce small businesses in the Midwest are booming

Andrey Kamenov

Andrey Kamenov, Ph.D. Probability and Statistics

Recently, we published a series of posts about the regional patterns in employment changes. Naturally, most of the time the greatest growth occurred in larger industries, such as hospitals or schools.

It would be interesting to see the same patterns specifically relating to small businesses in the Midwest. For this purpose, we focused on establishments with fewer than 10 employees so that our study includes sole proprietors as well as small firms.

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