Happy Easter to all my readers, colleagues, friends, and family around the world!
Misuses of Statistics: Examples and Solutions
21 minutes ago
The truth is, very few of us data geeks (data scientists, data analysts, statisticians, or what ever we call ourselves use only a single tool for all of our work. We will often extract data from a SQL database, munge it using Perl or Python, and then do statistical analysis using R or SAS, reporting the results using Word or, increasingly, the web. Specially for data analysis, there is often no single tool that can do the end-to-end workflow well, however much we would like to believe that there is. Each tool has its strengths and weaknesses, and often a mixture works best. The trick is in finding the right “glue” that can string our workflow together.Read More
Employment consists of all persons who, during the reference week (the calendar week including the twelfth day of the month), (a) did any work at all (at least 1 hour) as paid employees, worked in their own business or profession or on their own farm, or worked 15 hours or more as unpaid workers in an enterprise operated by a member of the family, or (b) were not working but had jobs or businesses from which they were temporarily absent because of vacation, illness, bad weather, childcare problems, maternity or paternity leave, labor-management dispute, job training, or other family or personal reasons, whether or not they were paid for the time off or were seeking other jobs.... The civilian noninstitutional population consists of persons 16 years of age and older residing in the 50 States and the District of Columbia who are not inmates of institutions (for example, penal and mental facilities and homes for the aged) and who are not on active duty in the Armed Forces.Source: Bureau of Labor Statistics
Engineers and similar professionals earned an average $183,000 to $285,000 in 2012 depending on their position and background, a 20% to 50% jump since 2009... Wages in energy and mining have grown at nine times the rate of all industries since 2008, and starting salaries for petroleum engineering graduates are about $98,000, up 9.7% since 2008.Read More