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lancelot1969

Arman Kirakosyan

Recently Published

How Miles per Gallon depend on Transmission Type
This report is devoted to the quantitative analysis of the dependence of miles per gallon (MPG) attribute on other variables from collection of cars dataset mtcars presented in 1974 US magazine Motor Trend. The question to be addressed here is an automatic or manual transmission better for MPG.
Predicting Quality of Weight Lifting
This project is devoted to the construction of prediction model for the quality of weight lifting excersizes performed by a group of six young participants. The target activity quality variable is outcome variable classe. The rest of variables are activity monitors. The data obtained from activity monitors is cleaned, analyzed and prediction models built based on cross validation, extreme gradient boosting and out-of-sample error is estimated. Prediction model is used to predict 20 different cases.
Cryptocurrences
Historical data on Bitcoin and Ethereum
Extreme Weather Impact on Public Health and Economy across the United States
This report addresses an impact of severe weather on public health and economy of the United States of America. The data for this analysis originates from National Oceanic and Atmospheric Administration's (NOAA) database. Author assumes correlation between casualties from bad weather and geographical location of the impacted area. Firstly raw data is analyzed and cleaned. Secondly “state”dataset from R datasets package is used to link event locations to geographical divisions of the United States.