Tags » Statistics 2

{R} Manipulation of data

Merging two data frame

1. merge

{ library (reshape) }

Outer join: merge(x = df1, y = df2, by = "ID", all = TRUE)

Left outer: 118 more words

Data Combine

Super(hero) Statistics, Pt. I

Today, I will post the first of several entries relating to a unique dataset that I’ve put together–a dataset that contains over 600 rows of data on a topic of great importance……………..superheroes and supervillains! 1,055 more words


The Aging of Baby Boomers : Infographic

The Unites States of America is getting older .According to a government report shows that fewer than one in five men 65 and older were part of the labor force in 2003. 136 more words


Why one should be cautious before interpreting ratio/percentages? Simpson's Paradox – Better to know before interpreting statistics

In Statistical world, it is well-accepted that the larger the data set, the more reliable the conclusions drawn; In most of the cases this is true as well. 375 more words


Interesting statistics re cars in GB

The number of registered cars on GB roads is increasing every year, but the rate of increase slowed significantly.

However when one factors in the increase in population the number of cars per head of population has been reasonably constant since 2005. 71 more words