Some complex calculations are not easily amenable to SQL. Tasks such
as forecasting sales, computing market share, solving simultaneous
equations, analyzing time series, and so on involve iterative
calculations, often referencing interdependent rows across multiple
dimensions. It becomes extremely difficult to solve such problems in
SQL, and the resultant SQL code becomes very difficult to understand
and maintain. Such SQL often involves multiple levels of subqueries,
joins, and UNIONs, and therefore performs inefficiently.
Rather than use SQL to solve problems such as we've
just described, people usually download the data to a spreadsheet and
perform the computations there. Some applications move data into
specially created, external calculation engines that can perform the
necessary computations efficiently. Downloading data into
spreadsheets, or moving data into special-purpose engines, involves
overhead and adversely impacts performance, scalability,
manageability, and security of the system managing the data.
Artists colony and country estate, Abramtsevo was a font of artistic inspiration for the renaissance of traditional Russian painting, sculpture, architecture and arts in the 19th century.
Site of the Trinity Monastery of St Sergei, Sergiev Posad is the most visited destination in the Golden Ring (series of ancient towns northeast of Moscow), because of its accessibility from Moscow and its atmosphere of history and holiness.
The ancient town of Vladimir – 12th-century capital of medieval Rus – was formative in establishing a distinctively Russian architectural style. The city still shows off several remarkable structures that date back to this heyday.
Dating to the 11th century, Suzdal was a medieval capital and a spiritual centre in later years. The village is still ringed with monasteries and peppered with merchant churches, making for an ideal fairy-tale setting.
Aaron Hansen is a leadership consultant with the Northeastern Nevada Regional Professional Development Program and a Solution Tree associate. Previously, he led the transformation of White Pine Middle School (WPMS) into a nationally recognized high-achieving school in
Nevada. Under Aaron’s leadership, WPMS was named a National Model School (2009–2012) and the only middle school in the country to earn the title School of
Distinction by the International Center for Leadership in Education in 2010. WPMS is listed on www.allthingsplc.info as a model of effectiveness. The school was also named a Nevada Title I Distinguished School and has received many other awards, recognitions, and honors. Aaron has been featured on
ABC’s World News With Charles Gibson, CNN’s American Morning, Fox Network’s
Fox and Friends, and in a BBC documentary about effective anti-bullying programs and building positive school cultures. Aaron was named Nevada’s Innovative Educator of the Year in 2009. He has worked with numerous schools and districts across the United States, helping them improve their processes in PLCs, RTI, teacher and leader improvement, and positive culture transformation.
The first, and sometimes hardest part of doing any data analysis
is acquiring the data from which you hope to extract information. Whether
you want to look at your personal spending habits, calculate your next trade
in fantasy baseball, or compare a politicians investment returns to your
own, the data you need is usually there on the web with some sense of order
to it, but its probably not in a form thats very useful for analysis. If
this is the case, youll need to either manually gather the data or write a
script to collect the data for you.
The granddaddy of all data formats is the data table, with a column
for each attribute and a row for each observation. Youve seen this if
youve ever used Microsoft Excel, relational databases, or Rs data.frame object.
Table5-1.An example data table
Most websites store their data behind the scenes in tables within
relational databases, and if those tables were accessible to the computing
public, this chapter of Bad Data Handbook wouldnt need
to exist. However, its a web designers job to make this information
visually appealing and interpretable, which usually means theyll only
present the reader with a relevant subset of the dataset, such as a single
companys stock price over a specific date range, or recent status updates
from a single users social connections. Even online database websites are
vastly different from a programmers version of a database. On web database
websites such as LexisNexis or Yahoo! Finance, there are page dividers, text
formatting, and other pieces of code to make the page look prettier and
easier to interpret. To a programmer, a database is a complete collection of
clean, organized data that is easily extracted and transformed into the form
you see on the web. So now its your job to reverse-engineer the many
different pages and put the data back to a form that resembles the original
For more detail of this area see Neigbourhood Map»
Feeling the Freud as you explore the elegant rooms of his former home, with exhibits providing a tantalising insight into the life and cognitive workings of the psychoanalysis godfather.
Tiptoeing through the baroque apartments and landscaped gardens of the Palais Liechtenstein
on a guided tour.
Going for an erudite wander through the arcades and courtyards of Vienna’s 650-year-old university.
Taking a romp through the one-time abodes of two classical giants:
Listening to a pianist play in the vaulted, marble-columned grandeur of Café Central.
Book-ended by one of Europe’s biggest universities, Alsergrund in the 9th district can hold its own in the world’s hall of intellectual fame, counting Mahler and Karl Kraus among its alumni. In these elegant streets, Schubert first saw the light of day and Sigmund Freud navigated the unconscious mind’s murky depths. The gravitas of such history still seeps through artily shabby cafes and cavern-like bars, where students contemplate life with beer-glass-clinking conviction. University life sits neatly within the framework of this cultured neighbourhood of churches, leafy squares and gardens, such as those framing the baroque Palais Liechtenstein.