text stringlengths 11 320k | source stringlengths 26 161 |
|---|---|
The forward problem of electrocardiology is a computational and mathematical approach to study the electrical activity of the heart through the body surface. [ 1 ] The principal aim of this study is to computationally reproduce an electrocardiogram (ECG), which has important clinical relevance to define cardiac patholo... | https://en.wikipedia.org/wiki/Forward_problem_of_electrocardiology |
The fossa ovalis is a depression in the right atrium of the heart , at the level of the interatrial septum , the wall between right and left atrium . The fossa ovalis is the remnant of a thin fibrous sheet that covered the foramen ovale during fetal development.
During fetal development, the foramen ovale allows blood... | https://en.wikipedia.org/wiki/Fossa_ovalis_(heart) |
Foster Kennedy syndrome is a constellation of findings associated with tumors of the frontal lobe . [ 1 ]
Although Foster Kennedy syndrome is sometimes called "Kennedy syndrome", [ 2 ] it should not be confused with Kennedy disease, or spinal and bulbar muscular atrophy , which is named after William R. Kennedy .
Pse... | https://en.wikipedia.org/wiki/Foster_Kennedy_syndrome |
The Fothergillian Medal is awarded by the Medical Society of London since 1787. [ 1 ]
The first recipient was William Falconer . [ 1 ] It was awarded to Edward Jenner in 1803. [ 2 ]
This medical article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Fothergillian_Medal |
The fourth heart sound or S 4 is an extra heart sound that occurs during late diastole, immediately before the normal two "lub-dub" heart sounds (S 1 and S 2 ). It occurs just after atrial contraction and immediately before the systolic S 1 and is caused by the atria contracting forcefully in an effort to overcome an a... | https://en.wikipedia.org/wiki/Fourth_heart_sound |
Fractional flow reserve (FFR) is a diagnostic technique used in coronary catheterization . FFR measures pressure differences across a coronary artery stenosis (narrowing, usually due to atherosclerosis ) to determine the likelihood that the stenosis impedes oxygen delivery to the heart muscle ( myocardial ischemia ). [... | https://en.wikipedia.org/wiki/Fractional_flow_reserve |
Francesco Della Valle (Puccianiello- Caserta , 2 February 1858-27 July 1937) was an Italian physician and general who served as General Director of Military Health from 1920 to 1925.
After graduating in 1883, Della Valle joined the Military Health Service and in 1888, when he was a young lieutenant, he was assigned to... | https://en.wikipedia.org/wiki/Francesco_Della_Valle |
Francesco Racanelli (1904–1978) was an Italian doctor, pranotherapist and writer, [ 1 ] and the originator of an unconventional therapy that he called in Italian : medicina bioradiante or "bio-radiant medicine".
Francesco Racanelli was born in 1904 in Sannicandro di Bari , Puglia , Italy. [ 1 ] He believed that he pos... | https://en.wikipedia.org/wiki/Francesco_Racanelli |
Francisco Lopera (June 10, 1951 – September 10, 2024) was a Colombian neurologist who made major discoveries in the field of Alzheimer's. He was a professor at the University of Antioquia in Medellín. He identified the world's largest extended family with Alzheimer's which he studied for decades and identified the gene... | https://en.wikipedia.org/wiki/Francisco_Lopera |
Frank A. Gough (June 28, 1872 – August 15, 1938) was an American orthodontist who graduated from Angle School of Orthodontia . He was the first person to open an orthodontic practice in the borough of Brooklyn. [ 1 ] [ 2 ]
He was born in 1872 in North East , Pennsylvania. He initially was interested in working in civi... | https://en.wikipedia.org/wiki/Frank_A._Gough |
Frank E. Beube (July 1, 1904 – June 14, 1995) [ 1 ] was a Canadian-born American periodontist and a pioneer in the field of periodontics . [ 2 ]
Beube was born in Kingston , Ontario, Canada. He graduated from the University of Toronto Faculty of Dentistry in 1930 before emigrating to the United States. [ 3 ]
Beube se... | https://en.wikipedia.org/wiki/Frank_Beube |
Frank M. Casto (30 May 1875 – 25 April 1965) was an American orthodontist who attended Angle School of Orthodontia in 1902. He was the President of the American Association of Orthodontists in 1909 and the American Dental Association in 1935. [ 1 ]
Casto was born in Blanchester , Ohio . He obtained his dental degree ... | https://en.wikipedia.org/wiki/Frank_M._Casto |
Franz Alexander Nissl (9 September 1860, in Frankenthal – 11 August 1919, in Munich ) was a German psychiatrist and medical researcher . He was a noted neuropathologist .
Nissl was born in Frankenthal to Theodor Nissl and Maria Haas. Theodor taught Latin in a Catholic school and wanted Franz to become a priest. How... | https://en.wikipedia.org/wiki/Franz_Nissl |
Franz Schuh (17 October 1804, Scheibbs , Scheibbs District , Lower Austria – 22 December 1865) was an Austrian Empire pathologist and surgeon who was a native of Scheibbs .
In 1831 he obtained his medical doctorate in Vienna , afterwards serving as an assistant to Joseph Wattmann (1789–1866). In 1836 he worked as a pr... | https://en.wikipedia.org/wiki/Franz_Schuh_(physician) |
Franz Freiherr von Pitha (born Jiří František Piťha , [ 1 ] 8 February 1810 – 29 December 1875) was an Austrian surgeon. He was rector of the Charles University in Prague in 1854–1855.
Pitha was born in Řakom near Klatovy (today part of Dolany in the Czech Republic ). In 1836 he received his medical doctorate at Pragu... | https://en.wikipedia.org/wiki/Franz_von_Pitha |
Freddy Homburger (8 February 1916 in Sankt Gallen , Switzerland - 25 September 2001 in Cambridge, Massachusetts ) was a Swiss -born oncologist . Homburger came to the United States in 1941 to continue his medical education, becoming a citizen in 1952. [ 1 ]
In 1948 Homberger was appointed head of Tufts College Medica... | https://en.wikipedia.org/wiki/Freddy_Homburger |
Frederick Newland-Pedley (1855 – 1944) was a British physician and dentist known for his contribution to the fields of military dentistry and dental education.
Newland-Pedley was born in 1855. [ 1 ] He studied at Dulwich College and Guy's Hospital , becoming first a physician, a member of the Royal College of Surgeons... | https://en.wikipedia.org/wiki/Frederick_Newland-Pedley |
Frederick T. West (July 6, 1893 – January 18, 1989) was an American orthodontist and a graduate of Dewey School of Orthodontia . He was a former president of American Association of Orthodontists in 1954 and was selected 5th ever honorary member of Edward Angle Society of Orthodontists in 1965. [ 1 ]
He was born in Sa... | https://en.wikipedia.org/wiki/Frederick_T._West |
Free Open Access Medical Education ( FOAM or FOAMed ) refers to a dynamic collection of online resources and tools designed to promote lifelong learning in emergency medicine. It is also a community and an ethos embraced by healthcare professionals globally. The term was coined in June 2012 at the International Confere... | https://en.wikipedia.org/wiki/Free_Open_Access_Medical_Education |
A free gingival graft is a type of gingival grafting performed to correct acquired deficiencies of the gum tissue around teeth or dental implants . Besides autologous tissues, xenogeneic collagen matrices are using for gingival augmentation after dental implantation. [ 1 ] Simultaneous injection of stem cells may impro... | https://en.wikipedia.org/wiki/Free_gingival_graft |
Freedom House Ambulance Service was the first emergency medical service in the United States to be staffed by paramedics with medical training beyond basic first aid. [ 1 ] [ 2 ] Founded in 1967 to serve the predominantly Black Hill District of Pittsburgh, Pennsylvania , it was staffed entirely by African Americans. [ ... | https://en.wikipedia.org/wiki/Freedom_House_Ambulance_Service |
Fremitus is a vibration transmitted through the body. [ 1 ] In common medical usage, it usually refers to assessment of the lungs by either the vibration intensity felt on the chest wall ( tactile fremitus ) and/or heard by a stethoscope on the chest wall with certain spoken words ( vocal fremitus ), although there are... | https://en.wikipedia.org/wiki/Fremitus |
Frenuloplasty is the surgical alteration of a frenulum when its presence restricts range of motion between interconnected tissues. Two of the common sites for a frenuloplasty are:
This surgery article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Frenuloplasty |
The frequency following response ( FFR ), also referred to as frequency following potential ( FFP ) is an evoked potential generated by periodic or nearly-periodic auditory stimuli. [ 1 ] [ 2 ] Part of the auditory brainstem response (ABR), the FFR reflects sustained neural activity integrated over a population of neur... | https://en.wikipedia.org/wiki/Frequency_following_response |
Frequency Specific Microcurrent (FSM) or frequency Specific Microcurrent Therapy (FSMT) is the practice of introducing a mild electrical current into an area of damaged soft tissue . Practitioners claim that the introduced current enhances the healing process underway in that same tissue. Critics, such as David Gorski ... | https://en.wikipedia.org/wiki/Frequency_specific_microcurrent |
Frits F.W. Prinzen is an expert on cardiac pacing therapies, both for bradycardia and for heart failure ( cardiac resynchronisation therapy , CRT).
He was born July 2, 1954, in Hilversum . He earned a master's degree in medical biology from Utrecht University in 1978, and a PhD in physiology from Maastricht Universit... | https://en.wikipedia.org/wiki/Frits_Prinzen |
The frontal lobe is the largest of the four major lobes of the brain in mammals , and is located at the front of each cerebral hemisphere (in front of the parietal lobe and the temporal lobe ). It is parted from the parietal lobe by a groove between tissues called the central sulcus and from the temporal lobe by a deep... | https://en.wikipedia.org/wiki/Frontal_lobe |
Fronto-cerebellar dissociation is the disconnection and independent function of frontal and cerebellar regions of the brain . It is characterized by inhibited communication between the two regions, and is notably observed in cases of ADHD , schizophrenia , alcohol use disorder , and heroin use. The frontal and cerebell... | https://en.wikipedia.org/wiki/Fronto-cerebellar_dissociation |
Frontotemporal lobar degeneration ( FTLD ) is a pathological process that occurs in frontotemporal dementia . It is characterized by atrophy in the frontal lobe and temporal lobe of the brain , with sparing of the parietal and occipital lobes . [ 1 ] [ 2 ]
Common proteinopathies that are found in FTLD include the accu... | https://en.wikipedia.org/wiki/Frontotemporal_lobar_degeneration |
The frozen section procedure is a pathological laboratory procedure to perform rapid microscopic analysis of a specimen. It is used most often in oncological surgery . [ 1 ] The technical name for this procedure is cryosection . The microtome device that cold cuts thin blocks of frozen tissue is called a cryotome . [ 2... | https://en.wikipedia.org/wiki/Frozen_section_procedure |
Full arch restoration in dentistry refers to the comprehensive reconstruction or rehabilitation of an entire dental arch , which can include all teeth in the upper or lower jaw . [ 1 ] [ 2 ] This procedure is also known as full mouth reconstruction or full mouth rehabilitation. [ 3 ] [ 4 ]
Full arch restoration involv... | https://en.wikipedia.org/wiki/Full_arch_restoration |
Full mouth disinfection typically refers to an intense course of treatment for periodontitis typically involving scaling and root planing in combination with adjunctive use of local antimicrobial adjuncts to periodontal treatment such as chlorhexidine in various ways of application. The aim is to complete debridement o... | https://en.wikipedia.org/wiki/Full_mouth_disinfection |
Fulminant ( / ˈ f ʊ l m ɪ n ən t / ) is a medical descriptor for any event or process that occurs suddenly and escalates quickly, and is intense and severe to the point of lethality, i.e., it has an explosive character. [ 1 ] The word comes from Latin fulmināre , to strike with lightning . There are several diseases de... | https://en.wikipedia.org/wiki/Fulminant |
The Functional Capacity Index ( FCI ) is a measure of a person's level of function for the following 12 months after sustaining some form of illness or injury . [ 1 ] The FCI incorporates ten physical functions and gives each a numerical value on a scale of 0 to 100, with 100 representing no limitations on a person's e... | https://en.wikipedia.org/wiki/Functional_Capacity_Index |
Functional disorders are a group of recognisable medical conditions which are due to changes to the functioning of the systems of the body rather than due to a disease affecting the structure of the body. [ 1 ]
Functional disorders are common and complex phenomena that pose challenges to medical systems. Traditionally... | https://en.wikipedia.org/wiki/Functional_disorder |
Functional drug sensitivity testing (f-DST) is an in-vitro diagnostic test method in functional precision medicine. [ 1 ] It was developed to personalize the choice among cytotoxic drugs and drug combinations for patients with an indication for systemic chemotherapy in specific cancer types. [ 2 ] [ 3 ] [ 4 ] [ 5 ] f-... | https://en.wikipedia.org/wiki/Functional_drug_sensitivity_testing |
Functional medicine ( FM ) is a form of alternative medicine that encompasses many unproven and disproven methods and treatments. [ 1 ] [ 2 ] [ 3 ] At its essence, it is a rebranding of complementary and alternative medicine (CAM), [ 4 ] and as such is pseudoscientific , [ 5 ] and has been described as a form of quacke... | https://en.wikipedia.org/wiki/Functional_medicine |
Functional neurological symptom disorder ( FNSD ), also referred to as dissociative neurological symptom disorder ( DNSD ), is a condition in which patients experience neurological symptoms such as weakness , movement problems , sensory symptoms, and convulsions . As a functional disorder , there is, by definition, no ... | https://en.wikipedia.org/wiki/Functional_neurological_deficit |
Functional neurological symptom disorder ( FNSD ), also referred to as dissociative neurological symptom disorder ( DNSD ), is a condition in which patients experience neurological symptoms such as weakness , movement problems , sensory symptoms, and convulsions . As a functional disorder , there is, by definition, no ... | https://en.wikipedia.org/wiki/Functional_neurological_symptom_disorder |
A functional symptom is a medical symptom with no known physical cause. [ 1 ] In other words, there is no structural or pathologically defined disease to explain the symptom. The use of the term 'functional symptom' does not assume psychogenesis , only that the body is not functioning as expected. [ 2 ] Functional symp... | https://en.wikipedia.org/wiki/Functional_symptom |
A functional symptom is a medical symptom with no known physical cause. [ 1 ] In other words, there is no structural or pathologically defined disease to explain the symptom. The use of the term 'functional symptom' does not assume psychogenesis , only that the body is not functioning as expected. [ 2 ] Functional symp... | https://en.wikipedia.org/wiki/Functional_weakness |
A fusion beat occurs when electrical impulses from different sources act upon the same region of the heart at the same time. [ 1 ] If it acts upon the ventricular chambers it is called a ventricular fusion beat , whereas colliding currents in the atrial chambers produce atrial fusion beats .
Ventricular fusion beats c... | https://en.wikipedia.org/wiki/Fusion_beat |
Future Oncology is a peer-reviewed medical journal established in 2005 and published by Future Medicine. It covers all aspects of oncology . The editors-in-chief are Ron Allison (21st Century Oncology) and Jackson Orem ( Uganda Cancer Institute ).
The journal is abstracted and indexed in CINAHL Plus , Chemical Abstrac... | https://en.wikipedia.org/wiki/Future_Oncology |
The term " Clinical research center " (CRC) or " General clinical research center " ( GCRC ) refers to any designated medical facility used to conduct clinical research , such as at a hospital or medical clinic . [ 1 ] They have been used to perform clinical trials of various medical procedures. The medical profession ... | https://en.wikipedia.org/wiki/GCRC |
In histology , the GFAP stain is done to determine whether cells contain glial fibrillary acidic protein , a protein found in glial cells .
It is useful for determining whether a tumour is of glial origin. [ 1 ]
This article related to pathology is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/GFAP_stain |
The Gruppo Italiano per lo Studio della Sopravvivenza nell'Infarto Miocardico ( GISSI ) (Italian group for the study of the survival of myocardial infarction) is a cardiology research group founded as a collaboration between two Italian organisations – the Mario Negri Institute for Pharmacological Research and the Asso... | https://en.wikipedia.org/wiki/GISSI |
GLUT1 deficiency syndrome , also known as GLUT1-DS , De Vivo disease or Glucose transporter type 1 deficiency syndrome, is an autosomal dominant genetic metabolic disorder associated with a deficiency of GLUT1 , the protein that transports glucose across the blood brain barrier. [ 1 ] Glucose Transporter Type 1 Deficie... | https://en.wikipedia.org/wiki/GLUT1_deficiency |
Enlarged Board of Appeal of the European Patent Office
G 1/07 is a decision of the Enlarged Board of Appeal of the European Patent Office (EPO), which was issued on February 15, 2010. The Enlarged Board of Appeal notably decided that, under the European Patent Convention (EPC), | https://en.wikipedia.org/wiki/G_1/07 |
In the context of surgery or dental surgery , a gag is a device used to hold the patient 's mouth open when working in the oral cavity , or to force the mouth open when it cannot open naturally because of forward dislocation of the jaw joint's intraarticular cartilage pad. Applications for medical gags include oral sur... | https://en.wikipedia.org/wiki/Gag_(medicine) |
Gait abnormality is a deviation from normal walking ( gait ). Watching a patient walk is an important part of the neurological examination. Normal gait requires that many systems, including strength, sensation and coordination, function in an integrated fashion. Many common problems in the nervous system and musculoske... | https://en.wikipedia.org/wiki/Gait_abnormality |
Gait analysis is the systematic study of animal locomotion , more specifically the study of human motion, using the eye and the brain of observers, augmented by instrumentation for measuring body movements, body mechanics , and the activity of the muscles. [ 1 ] Gait analysis is used to assess and treat individuals wit... | https://en.wikipedia.org/wiki/Gait_analysis |
A galactagogue , or galactogogue (from Greek : γάλα [γαλακτ-], milk, + ἀγωγός, leading), also known as a lactation inducer or milk booster , is a substance that promotes lactation in humans and other animals. [ 1 ] [ 2 ] It may be synthetic , plant -derived, or endogenous . They may be used to induce lactation and to t... | https://en.wikipedia.org/wiki/Galactagogue |
“I get the chance to not only watch the future happen, but I can actually be a part of it and create it,” says Ugandan entrepreneur Emmanuel Kasigazi. Duyen Nguyen | MIT Open Learning Like millions of others during the global Covid-19 lockdowns, Emmanuel Kasigazi, an entrepreneur from Uganda, turned to YouTube to pass ... | common_crawl_ocw.mit.edu_0 |
“I get the chance to not only watch the future happen, but I can actually be a part of it and create it,” says Ugandan entrepreneur Emmanuel Kasigazi. Duyen Nguyen | MIT Open Learning Like millions of others during the global Covid-19 lockdowns, Emmanuel Kasigazi, an entrepreneur from Uganda, turned to YouTube to pass ... | common_crawl_ocw.mit.edu_1 |
“I get the chance to not only watch the future happen, but I can actually be a part of it and create it,” says Ugandan entrepreneur Emmanuel Kasigazi. Duyen Nguyen | MIT Open Learning Like millions of others during the global Covid-19 lockdowns, Emmanuel Kasigazi, an entrepreneur from Uganda, turned to YouTube to pass ... | common_crawl_ocw.mit.edu_2 |
“I get the chance to not only watch the future happen, but I can actually be a part of it and create it,” says Ugandan entrepreneur Emmanuel Kasigazi. Duyen Nguyen | MIT Open Learning Like millions of others during the global Covid-19 lockdowns, Emmanuel Kasigazi, an entrepreneur from Uganda, turned to YouTube to pass ... | common_crawl_ocw.mit.edu_3 |
“I get the chance to not only watch the future happen, but I can actually be a part of it and create it,” says Ugandan entrepreneur Emmanuel Kasigazi. Duyen Nguyen | MIT Open Learning Like millions of others during the global Covid-19 lockdowns, Emmanuel Kasigazi, an entrepreneur from Uganda, turned to YouTube to pass ... | common_crawl_ocw.mit.edu_4 |
“I get the chance to not only watch the future happen, but I can actually be a part of it and create it,” says Ugandan entrepreneur Emmanuel Kasigazi. Duyen Nguyen | MIT Open Learning Like millions of others during the global Covid-19 lockdowns, Emmanuel Kasigazi, an entrepreneur from Uganda, turned to YouTube to pass ... | common_crawl_ocw.mit.edu_5 |
“I get the chance to not only watch the future happen, but I can actually be a part of it and create it,” says Ugandan entrepreneur Emmanuel Kasigazi. Duyen Nguyen | MIT Open Learning Like millions of others during the global Covid-19 lockdowns, Emmanuel Kasigazi, an entrepreneur from Uganda, turned to YouTube to pass ... | common_crawl_ocw.mit.edu_6 |
The last previous method uses a straight line approximation to get a new argument between old ones, once the values of f at the old arguments have the opposite sign. This is usually a smart thing to do, unless the endpoints of the interval between which your solution is trapped (in columns s and t above) converge very ... | common_crawl_ocw.mit.edu_7 |
# fm_casestudy_1_0_DownloadData.r
#
# * Install/load R packages
# * Collect historical financial data from internet
# * Create time series data matrix: casestudy1.data0.0
# Closing prices on stocks (BAC, GE, JDSU, XOM)
# Closing values of indexes (SP500)
# Yields on constant maturity US rates/bonds (3MO, 1YR, 5YR, 10 Y... | common_crawl_ocw.mit.edu_8 |
# fm_casestudy_1_rcode_CAPM.r
#Execute the R-script ``fm_casestudy_1_0_DownloadData.r''
# creates the time-series matrix $casestudy1.data0.00$
# and saves it in R-workspace ``casestudy_1_0.Rdata'.
#source("fm_casestudy_1_0.r")
# 0.1 Load libraries ----
library("zoo")
## Warning: package 'zoo' was built under R version ... | common_crawl_ocw.mit.edu_9 |
# Problem_10_9_26.r
# Problem 10.26 of Rice
# Hampson and Walker data on heats of sublimation of
# platinum,iridium, and rhodium
# To install these packages, uncomment the next two lines
#install.packages("MASS")
#install.packages("boot")
library(MASS)
## Warning: package 'MASS' was built under R version 3.1.3
library(... | common_crawl_ocw.mit.edu_10 |
# Problem_14_9_39.r
# 1.0 Read in data ----
# See Problem 14.9.39
# Data from Knafl et al. (1984)
#
tankvolume=read.table(file="Rice 3e Datasets/ASCII Comma/Chapter 14/tankvolume.txt",
sep=",",stringsAsFactors = FALSE,
header=TRUE)
Volume=tankvolume$Volume
Pressure=tankvolume$Pressure
# (a). Plot pressure versus volume... | common_crawl_ocw.mit.edu_11 |
# Problem 9.11.1
# A coin is thrown independently 10 times with P(heads)=p
# To test null hypothesis p=.5 versus alternative that it is not,
# reject if 0 or 10 heads observed
#
# Let X be the number of heads observed.
# X ~ Binomial(size=10,prob=p)
#
# a). The significance level of the test is the
# probability of rej... | common_crawl_ocw.mit.edu_12 |
# Problem 9.11.3
# X is a binomial(size=100,prob=p) random variable.
# Plot of the probability mass function of X for p=.5
x.grid=seq(0,100,1)
x.grid.pdf=dbinom(x.grid,size=100,prob=.5)
plot(x.grid, x.grid.pdf)
# Consider the test of Null: p=0.5 vs Alternative p not =.5
# that rejects when abs(x-50)>10
#
# The normal a... | common_crawl_ocw.mit.edu_13 |
# Rproject10_flow_occ_regressions.r
# 1.0 Read in data ----
# See Problem 10.9.50,
# data from: http://pems.eecs.berkeley.edu
# For each of three lanes, the
# flow (number of cars)
# occupancy (percentage of time a car was over the loop)
#
# 1740 5-minute intervals
# Lane 1 farthest left lane, lane 2 center, lane 3 far... | common_crawl_ocw.mit.edu_14 |
# Rproject11_Tablets_TwoSampleT.r
# 1.0 Read in data ----
# See Example 12.2A of Rice
#
# Measurements of chlorpheniramine maleate in tablets made by seven laboratories
# Nominal dosage equal to 4mg
# 10 measurements per laboratory
#
# Sources of variability
# within labs
# between labs
# Note: read.table has trouble p... | common_crawl_ocw.mit.edu_15 |
# Rproject11_Tablets_TwoSampleT.r
# 1.0 Read in data ----
# See Example 12.2A of Rice
#
# Measurements of chlorpheniramine maleate in tablets made by seven laboratories
# Nominal dosage equal to 4mg
# 10 measurements per laboratory
#
# Sources of variability
# within labs
# between labs
# Note: read.table has trouble p... | common_crawl_ocw.mit.edu_16 |
# RProject12_ChisquareTest.r
# De Veaux, Velleman and Bock (2014) Example
# 1. Tattoo/HepC Two-Way Table ----
tableA=data.frame(
HepC=rbind(TattooParlor=17,
TattooElsewhere=8,
NoTattoo=22),
NoHepC=rbind(TattooParlor=35,
TattooElsewhere=53,
NoTattoo=491)
)
print(tableA)
## HepC NoHepC
## TattooParlor 17 35
## TattooElse... | common_crawl_ocw.mit.edu_17 |
# Rproject1_script1.r
#
# Distributions derived from the normal distribution
# See Chapter 6 of Rice for distribution theory
# 1. R functions for Normal distribution ----
# random number generator of normal distribuion
help(rnorm)
## starting httpd help server ... done
# Family of functions
# dnorm() density function
#... | common_crawl_ocw.mit.edu_18 |
# Rproject2_script1_gamma_MOM.r
# 1.0 Read in data ----
# LeCam and Neyman Precipitation Data from Rice 3e Datasets
# From Rice, p. 414:
# rainfall of summer storms, in inches, measured by network of rain gauges
# southern Illinois for the years 1960-1964
# measurements are average amount of rainfall from each storm
#
... | common_crawl_ocw.mit.edu_19 |
# Rproject2_script2_gamma_MOMwithMLE.r
# 0.0 Load library
library("MASS")
# 1.0 Read in data ----
# LeCam and Neyman Precipitation Data from Rice 3e Datasets
# From Rice, p. 414:
# rainfall of summer storms, in inches, measured by network of rain gauges
# southern Illinois for the years 1960-1964
# measurements are ave... | common_crawl_ocw.mit.edu_20 |
Section \(8.5.1\) of Rice discusses multinomial cell probabilities.
Data consisting of: \[ X_1, X_2, \ldots, X_m\]
are counts in cells \(1, \ldots, m\) and follow a multinomial distribution
\[f(x_1, \ldots, x_n \mid p_1, \ldots, p_m ) = { n! \over \prod_{j=1}^m x_i ! } \prod_{j=1}^m p_j ^{x_j}\]
where
\((p_1, \ldots, p... | common_crawl_ocw.mit.edu_21 |
Suppose \(R \sim Rayleigh(\theta),\) then the density of \(R\) is given by (Rice p. 321)
\[f(r \mid \theta) = \displaystyle {r \over \theta^2} exp \left( { -r^2 \over 2 \theta^2} \right)\]
The cumulative distribution function of \(R\) is
\[F_R(r) = 1 - exp \left( {-r^2 \over 2 \theta^2 }\right) \]
Note that \({d \over ... | common_crawl_ocw.mit.edu_22 |
# Rproject3_script1_multinomial_simulation.r
#
# Parametric Bootstrap simulation of sampling distributions for alternate estimators
# Multinomial Counts: Hardy Weinberg Equilibrium
# 1.1 Trinomial data----
# from Example 8.5.1.A, p. 273 of Rice.
#
# x=(X1,X2,X3) # counts of multinomial cells (1,2,3)
# Erythrocyte antig... | common_crawl_ocw.mit.edu_23 |
# Rproject3_script1_chromatin.r
# 1.0 Read in data ----
# See problem 8.10.45, p 321 of Rice.
#
# Three experiments where 100-200 measurements of 2-dimensional distances were determined.
#
file0.short<-"Rice 3e Datasets\\ASCII Comma\\Chapter 8\\chromatin\\data32.txt"
data.short<-scan(file=file0.short,sep=",")
file0.med... | common_crawl_ocw.mit.edu_24 |
# Project4_Bayesian_HardyWeinberg.r
# Multinomial Counts: Hardy Weinberg Equilibrium
# 1.0 Trinomial data from Example 8.5.1.A, p. 273 of Rice.
#
# x=(X1,X2,X3) # counts of multinomial cells (1,2,3)
# Erythrocyte antigen blood types of n=1029 Hong Kong population in 1937.
x<-c(342,500,187)
# Two estimators: Multinomial... | common_crawl_ocw.mit.edu_25 |
# Rproject4_Bayesian_Poisson.r
# Example 8.4.A: Counts of asbestos fibers on filters
# Steel et al. 1980
# 1. Data ----
x=c(31,29,19,18,31,28,
34,27,34,30,16,18,
26,27,27,18,24,22,
28,24,21,17,24)
# 2. Parameter Estimation of Poisson----
# Suppose x is a sample of size n=23 from a Poisson(lambda) distribution
#
# 2.1 E... | common_crawl_ocw.mit.edu_26 |
# RProject5_HypothesisTesting.r
# 1.0 Two coins: coin0 and coin1
#
# P(Head | coin0)=0.5 and P(Head | coin1) =0.7
prob.coin0=0.5
prob.coin1=0.7
#help(sample)
# 2.0 Choose a coin at random, count number of heads in 10 tosses
prob.coin.random=sample(c(prob.coin0,prob.coin1), size=1)
x=rbinom(n=1, size=10, prob=prob.coin.... | common_crawl_ocw.mit.edu_27 |
# Project6_LRTest_HardyWeinberg.r
# Multinomial Counts: Hardy Weinberg Equilibrium
# 1.0 Trinomial data from Example 8.5.1.A, p. 273 of Rice.
#
# x=(X1,X2,X3) # counts of multinomial cells (1,2,3)
# Erythrocyte antigen blood types of n=1029 Hong Kong population in 1937.
x<-c(342,500,187)
# Two estimators: Multinomial M... | common_crawl_ocw.mit.edu_28 |
# Rproject6_LRTest_Poisson.r
# Example 8.4.A: Counts of asbestos fibers on filters
# Steel et al. 1980
# 1. Data ----
x=c(31,29,19,18,31,28,
34,27,34,30,16,18,
26,27,27,18,24,22,
28,24,21,17,24)
# x= rpois(n=100, lambda=24.91)
# 2. Parameter Estimation of Poisson----
# Suppose x is a sample of size n=23 from a Poisson(... | common_crawl_ocw.mit.edu_29 |
# Rproject7_5_beeswax.r
# 1.0 Read in data ----
# See Example 10.2.1 A, data from White, Riethof, and Kushnir (1960)
#
file0.beeswax<-"Rice 3e Datasets/ASCII Comma/Chapter 10/beeswax.txt"
data.beeswax<-read.table(file=file0.beeswax,sep=",", header=TRUE)
head(data.beeswax)
## MeltingPoint Hydrocarbon
## 1 63.78 14.27
##... | common_crawl_ocw.mit.edu_30 |
# Rproject7_6_lifetimes.r
# 1.0 Read in data ----
# See Example 10.2.1 A, data from White, Riethof, and Kushnir (1960)
#
# Lifetime in days of animals who died within 2 years
# Groups 1-5, 72 animals per group
# Control group, 107 animals
gpigs1=scan(file="Rice 3e Datasets/ASCII Comma/Chapter 10/gpigs1.txt",sep=",")
gp... | common_crawl_ocw.mit.edu_31 |
# Rproject8_1_windspeed.r
# 1.0 Read in data ----
# See Problem 10.9.39
# data from Simiu and Filliben (1975), analysis of extreme winds
windspeed=read.table(file="Rice 3e Datasets/ASCII Comma/Chapter 10/windspeed.txt",
sep=",",stringsAsFactors = FALSE)
windspeed.0=t(windspeed[,-1])
dimnames(windspeed.0)<-list(c(1:nrow... | common_crawl_ocw.mit.edu_32 |
#RProject8_2_ks_test.r
set.seed(0)
par(mfcol=c(2,2))
# 2x2 Panel of Plots
# Generate random sample from N(0,1) distribution
#
x=rnorm(50)
# 1.1 Index plot of sample
plot(x)
# 1.2 Normal QQ Plot of sample
qqnorm(x)
# 1.3 Empirical CDF of sample
plot.ecdf(x)
# 1.4 Theoretical and empirical CDF together
par(mfcol=c(1,1))
... | common_crawl_ocw.mit.edu_33 |
# RProject8_3_bootstrap_location.r
# Problem 10.26 of Rice
# Hampson and Walker data on heats of sublimation of
# platinum,iridium, and rhodium
# To install these packages, uncomment the next two lines
#install.packages("MASS")
#install.packages("boot")
library(MASS)
## Warning: package 'MASS' was built under R version... | common_crawl_ocw.mit.edu_34 |
# RProject8_4_density.r
require(graphics)
set.seed(0)
x=ifelse(runif(100)<.5, rnorm(100) +5,rnorm(100))
# x=ifelse(runif(100)<.5, rgamma(100,shape=3,scale=2),rnorm(100))
# x=ifelse(runif(100)<.5, (rnorm(100) +5)^2,(rnorm(100)^2))
par(mfcol=c(2,2))
x.density1<-density(x,bw="sj")
hist(x,nclass=50,probability=TRUE,
main=p... | common_crawl_ocw.mit.edu_35 |
Reading 11: Debugging
6.005 Prime Objective
Objectives
The topic of today’s class is systematic debugging.
Sometimes you have no choice but to debug – particularly when the bug is found only when you plug the whole system together, or reported by a user after the system is deployed, in which case it may be hard to loca... | common_crawl_ocw.mit.edu_36 |
Photo by Flickr user Changhua Coast Conservation Action.
Seeking to understand and transform the world’s energy systems, MIT researchers and students investigate all aspects of energy. They discover new ways of generating and storing energy, as in creating biofuels from plant waste and in holding electricity from renew... | common_crawl_ocw.mit.edu_37 |
We need your input! Take this brief survey to shape the future of MIT OpenCourseWare.
Photo license: CC Zero (public domain)
Like so many of the big challenges taken on at MIT, environmental and sustainability issues demand an interdisciplinary perspective.
From declining fisheries to acute urban pollution to record-br... | common_crawl_ocw.mit.edu_38 |
What is MIT OpenCourseWare?
MIT OpenCourseWare is a free and open publication of material from thousands of MIT courses, covering the entire MIT curriculum and used by millions of learners and educators around the world.
Do I have to register or sign up?
No enrollment or registration. Freely browse and use OCW material... | common_crawl_ocw.mit.edu_39 |
Course Meeting Times
Lectures: 2 sessions / week, 1.5 hours / session
Recitations: 1 session / week, 2 hours / session
Course Description
This course gives an introduction to probability and statistics, introducing students to quantitative uncertainty analysis and risk assessment with emphasis on engineering applicatio... | common_crawl_ocw.mit.edu_40 |
In 1814, a man who has since been called the “Chief Benefactor of Boston” had an idea. It was so stupendous that it was then considered a weird, impossible dream. Yet the train of consequences resulting from that idea have been largely responsible for Boston’s greatness today.
One hundred and twelve years ago, Uriah Co... | common_crawl_ocw.mit.edu_41 |
You have the option of proposing your own application of interest for the project. To do so, you will first need to write a short one-page proposal:
- Briefy describe the application in mind and the model you want to use (this could be a reference to a paper on the topic from which you want to use the model).
- Specify... | common_crawl_ocw.mit.edu_42 |
Course Description
This subject provides an introduction to the mechanics of materials and structures. You will be introduced to and become familiar with all relevant physical properties and fundamental laws governing the behavior of materials and structures and you will learn how to solve a variety of problems of inte... | common_crawl_ocw.mit.edu_43 |
Course Description
1.050 is a sophomore-level engineering mechanics course, commonly labelled “Statics and Strength of Materials” or “Solid Mechanics I.” This course introduces students to the fundamental principles and methods of structural mechanics. Topics covered include: static equilibrium, force resultants, …
1.0... | common_crawl_ocw.mit.edu_44 |
Scope and Background
This is your third project and substantially different from the first two. It is actually a large scale planning project and as such, it is open ended. Its complexity requires that the design is done by a team with each team member concentrating on a specialty. You should follow the design process ... | common_crawl_ocw.mit.edu_45 |
Course Meeting Times
Lectures: 1 session / week, 1 hour / session
Labs: 1 session / week, 3 hours / session
Subject Description
In Sophomore Design, 1.101, you will be challenged with three design tasks: a first concerning water resources/treatment, a second concerning structural design, and a third focusing on the con... | common_crawl_ocw.mit.edu_46 |
Course Description
This is a foundation subject in modern software development techniques for engineering and information technology. The design and development of component-based software (using C# and .NET) is covered; data structures and algorithms for modeling, analysis, and visualization; basic problem-solving tec... | common_crawl_ocw.mit.edu_47 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.