That was the state of play prior to the rise in popularity of the Passive Investing concept, an approach to understanding how stock investing works that is the root cause of
the analytical errors in the Old School studies.
I am the person who discovered
the analytical errors in the Old School safe withdrawal rate studies.
Juicy Excerpt: The SWR studies were quickly corrected once
the analytical errors in them became public knowledge.
I discovered
the analytical errors in the Old School research in the late 1990s, when I was putting together my Retire Early plan.
CAMBRIDGE, MA — A new analysis of two recent reports, one by a committee of the National Academy of Science's National Research Council (NRC), the other by Alan Ginsburg, a former director of Policy and Program Studies in the U. S. Department of Education, finds that both reports made factual and
analytical errors in their examination of the record of Michelle Rhee as Chancellor of Schools for the District of Columbia from 2007 - 2010.
It follows that value investors seek a margin of safety, allowing room for imprecision, bad luck, or
analytical error in order to avoid sizable losses over time.
Not exact matches
Kayne recognizes
in these sentences a point made Howard Marks: «The biggest investing
errors come not from factors that are informational or
analytical, but from those that are psychological.»
«The
analytical methods used
in the original reports were not the most appropriate for the task at hand, and this led to systematic
errors in the modeling of sequence evolution,» Wörheide explains.
Gould reanalysed Morton's data, and famously argued
in Science and
in his prize - winning bestseller The Mismeasure of Man, that Morton had manipulated his samples, made
analytical errors, and mismeasured cranial capacities as a consequence of a racist bias.
Gould reexamined Morton's data on cranial capacity variation
in modern human populations and concluded that Morton had selectively reported data (see Box 1), manipulated sample compositions (see Box 2), made
analytical errors, and mismeasured skulls
in order to support his a priori views on intelligence differences between human groups.
But when you get a foundational point wrong, the
analytical errors must be corrected or else all of the strategic recommendations developed from following the implications of the invalid foundational point will be
in error.
I'm always interested
in discovering how it comes to be that people believe things that are not so because those discoveries often point to fundamental
analytical errors and corrections of fundamental
analytical errors often generate big pay - offs.
I was exposed to propagation of
error in my undergraduate classes that included measurement labs, most especially
analytical chemistry.
However, since the
analytical functions can be fitlered correctly and to a good precision, it seems illogical to insert a known
error onto those functions is the hope that it may be a bit like the
error in incorrectly filtering the time - series.
I have explained myself thoroughly by demonstrating the
analytical errors present
in published dO18 measurements.
The dO18 systematic measurement
errors do not fall into that category, by the
analytical evidence given
in my post and
in the associated references.
In addition,
error analyses are needed that take into account the
analytical and inherent uncertainties of the input data and propagate them through the entire inference and reconstruction process.
The models use different
analytical functions and drivers, but they evaluate the model
error in the same way which makes their performance comparable.
Further,
in describing flaws
in the data the EEOC's expert Kevin Murphy relied upon to support the disparate impact claim, the Judge labeled these reports as 1) «laughable»; 2) «based on unreliable data»; 3) «rife with
analytical error»; 4) containing «a plethora of
errors and
analytical fallacies,» and a «mind - boggling number of
errors»; 5) «completely unreliable»; 6) «so full of material flaws that any evidence of disparate impact derived from an analysis of its contents must necessarily be disregarded»; 7) «distorted»; 8) «both over and under inclusive»; 9) «cherry - picked»; 10) «worthless»; and 11) «an egregious example of scientific dishonesty.»
• Familiar with GIS: Quantum, TerraScan, and DashMap • Advance level skills
in MS Office • Data entry and processing • Quality control of surveys • Excellent mathematical and
analytical skills •
Error free typing capability • Para metering and noise control