Search for tag: "probability"

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Handling Missing Data in Social Science Studies… duration 58 minutes 24 seconds Handling Missing Data in Social Science Studies… Handling Missing Data in Social Science Studies with Rod Little	Handling Missing Data in Social Science Studies with Rod Little I review methods for handling missing data in empirical studies in the social sciences. I define missing data, and provide a taxonomy of main approaches to analysis, including complete-case and… model variables imputation analysis cases bit response methods distribution likelihood regression lot values things method weight estimates thing probability models From Allison Van 2 plays 0 Usage Rights CC0
Norm Emergence and Change in a Collective-Risk… duration 43 minutes 56 seconds Norm Emergence and Change in a Collective-Risk… Norm Emergence and Change in a Collective-Risk Social Dilemma with Dr. Giulia Andrighetto – Productivity During Pandemic	Norm Emergence and Change in a Collective-Risk Social Dilemma with Dr. Giulia Andrighetto – Productivity During Pandemic From climate change to ecosystem and habitat destruction to the spread of infectious diseases such as COVID-19, many contemporary societal challenges are exacerbated by collective action problems. In… dr giulia andrighetto cress productivity during pandemic allison van michelle dion social sciences (social issues) social italy social norms empirical research norms behavior expectations subjects effect expectation change contribution risk questions question experiment points tokens cooperation association hypothesis probability norm pot From Allison Van 8 plays 0
Lecture 2 - Ionizing Radiation Interactions duration 1 hour 10 minutes Lecture 2 - Ionizing Radiation Interactions Lecture 2 - Ionizing Radiation Interactions	Lecture 2 - Ionizing Radiation Interactions energy electron photon photons contrast ray radiation particle probability particles interaction material attenuation scattering beam shell rays effect density compton From Troy Farncombe 58 plays 0
1.9 - Real Options Examples duration 14 minutes 12 seconds 1.9 - Real Options Examples 1.9 - Real Options Examples	1.9 - Real Options Examples investment (finance) metal sheets and plates real options capital budgeting finance production costs cost of capital mba low prices winter sports business analytics mathematics oil (fossil fuel) investment (macroeconomics) skiing degroote net present value caption complete discount rate probability calculus From Amy Pachai 225 plays 0
PHYS3QI3_class20 duration 51 minutes 36 seconds PHYS3QI3_class20 PHYS3QI3_class20	PHYS3QI3_class20 Began studying Bell's inequality (QI14_Bells_Inequality) probability mechanics lambda alice realism term theta values measurement particle bell bob b. minus thing things sum theory root basis From DUNCAN O'DELL 9 plays 0
2.4 - Probability Rules (BL602) duration 13 minutes 37 seconds 2.4 - Probability Rules (BL602) 2.4 - Probability Rules (BL602)	2.4 - Probability Rules (BL602) mathematical sciences probability business addition arithmetic operations probability distribution bicycles multiplication mathematics probability calculus caption complete From Amy Pachai 161 plays 0
3.1_Intro to Sampling & Distributions (BL602) duration 1 minute 20 seconds 3.1_Intro to Sampling & Distributions (BL602) 3.1_Intro to Sampling & Distributions (BL602)	3.1_Intro to Sampling & Distributions (BL602) mathematical sciences disasters & accidents & prevention & recovery motor highways statistics transport accident business infrastructural and industrial building quality management road transport mba sampling probability distribution road transport accident quality control mathematics roads public infrastructure caption complete accidents (general) probability calculus From Amy Pachai 121 plays 0
2.7 - More Uses for Probabilities (BL602) duration 4 minutes 47 seconds 2.7 - More Uses for Probabilities (BL602) 2.7 - More Uses for Probabilities (BL602)	2.7 - More Uses for Probabilities (BL602) probability mba party games hobbies canada caption complete curiosities science (general) statistics lottery empirical research lotto physics empirical evidence scientific method gaming business board game oddly enough scientific research odds gambling & lotteries From Amy Pachai 134 plays 0
3 - Types of Distributions (Normal, Discrete,… duration 20 minutes 2 seconds 3 - Types of Distributions (Normal, Discrete,… 3 - Types of Distributions (Normal, Discrete, Binomial, Exponential, Poisson)	3 - Types of Distributions (Normal, Discrete, Binomial, Exponential, Poisson) mathematical sciences poisson distribution exponents and roots arithmetics exponential distribution discrete distributions statistics normal distribution binomial mathematics money & physical currency probability calculus caption complete From Amy Pachai 172 plays 0
PHYS-4F03-class23 duration 53 minutes 53 seconds PHYS-4F03-class23 PHYS-4F03-class23	PHYS-4F03-class23 Finished going through the slides L17T_dep_PT_part2 which included perturbations with harmonic time dependence, including the illumination of an atom by a laser. Started the next set of slides… field atom energy perturbation frequency omega light wave dipole times theory matrix direction form charge fact transition frequencies function probability From DUNCAN O'DELL 5 plays 0
PHYS-4F03-class22 duration 54 minutes 46 seconds PHYS-4F03-class22 PHYS-4F03-class22	PHYS-4F03-class22 Started the set of slides L17T_dep_PT_part2 which applies time dependent perturbation theory to various examples. omega function energy delta sort probability frequency thing perturbation expression modulus difference times fourier gaussian sine width pi term infinity From DUNCAN O'DELL 4 plays 0
PHYS-4F03-class6 duration 49 minutes 5 seconds PHYS-4F03-class6 PHYS-4F03-class6	PHYS-4F03-class6 Covered the exchange interaction and began discussion of quantum statistical mechanics particles wave interaction function exchange expectation energy sort density electrons particle spin bit fermions spins term times atoms psi probability From DUNCAN O'DELL 7 plays 0
Seminar Series - March 24, 2023 duration 1 hour 13 minutes Seminar Series - March 24, 2023 Seminar Series - March 24, 2023	Seminar Series - March 24, 2023 Speaker: David Argente network friends firm probability stage goods level networks theta costa rica period firms threshold perfume idea exposure consumers assumption instrument From Emma Beamson 11 plays 0 Usage Rights None (All Rights Reserved)
PHYS3QI3_class25 duration 48 minutes 19 seconds PHYS3QI3_class25 PHYS3QI3_class25	PHYS3QI3_class25 Finished studying the quantum repeater (QI17_Quantum_Repeater) minus psi photons measurement bell probability basis photon memory attempts cubits log distance power times phi entanglement cells p1 middle From DUNCAN O'DELL 1 plays 0
PHYS3QI3_class5 duration 52 minutes 16 seconds PHYS3QI3_class5 PHYS3QI3_class5	PHYS3QI3_class5 Finished class communication theory and started QI6_Spins_and_Photons spin bits direction bit log thing sort particles things wave field minus fact messages moment silver light times probability interference From DUNCAN O'DELL 13 plays 0
PHYS3QI3_class12 duration 45 minutes 50 seconds PHYS3QI3_class12 PHYS3QI3_class12	PHYS3QI3_class12 Cover classical cryptography and started quantum cryptography key text messages numbers probability times sort ciphertext cipher thing measurement power idea alpha basis computers modulo theorem fact psi From DUNCAN O'DELL 10 plays 0
PHYS3QI3_Class9 duration 51 minutes 21 seconds PHYS3QI3_Class9 PHYS3QI3_Class9	PHYS3QI3_Class9 Continued with QI7_Operators. Introduced Hermitian operators operator psi thing mechanics operators basis matrix measurement lambda adjoint expectation commutator uncertainty hand eigenvectors conjugate eigenvalues probability n. dagger From DUNCAN O'DELL 9 plays 0
PHYS739_approximation_Methods4 duration 1 hour 33 minutes PHYS739_approximation_Methods4 PHYS739_approximation_Methods4	PHYS739_approximation_Methods4 Generalized our treatment of first order transitions to include a slow switch on of the perturbation. energy function times things thing bar width delta particle nucleus size momentum probability rate density omega box energies transition angle From DUNCAN O'DELL 2 plays 0 Usage Rights None (All Rights Reserved)
PHYSICS739_approximation_Methods3 duration 1 hour 9 minutes PHYSICS739_approximation_Methods3 PHYSICS739_approximation_Methods3	PHYSICS739_approximation_Methods3 Showed how to find transition amplitudes from the Dyson series. Began analyzing 1st order perturbations constant in time except for being switched on at t=t0. picture interaction schrodinger function delta perturbation energy operator probability times evolution continuum frequency omega equation transition series thing hamiltonian matrix From DUNCAN O'DELL 2 plays 0
Week 3. Lecture 4. Verifying the diagnosis duration 18 minutes 54 seconds Week 3. Lecture 4. Verifying the diagnosis Week 3. Lecture 4. Verifying the diagnosis	Week 3. Lecture 4. Verifying the diagnosis diagnosis medical diagnosis disease epidemiology prevention of communicable diseases causality diagnostic accuracy sensitivity specificity bradford-hill criteria test effect probability pathogen laboratory evidence criteria tests findings association hill bradford exposure positives result microorganism From Thomas Piggott 64 plays 0
PHYS3QI3_class15 duration 46 minutes 51 seconds PHYS3QI3_class15 PHYS3QI3_class15	PHYS3QI3_class15 Mixed states and the density operator. Taught by Wyatt Kirkby in 2021 matrix density probability superposition trace operator expectation particle things basis thing elements kind spin particles measurement lot vector mixture sigma From DUNCAN O'DELL 2 plays 0
PHYS3QI3_class16 duration 18 minutes 0 seconds PHYS3QI3_class16 PHYS3QI3_class16	PHYS3QI3_class16 Went through the ``projector method'' for quantum measurement calculations (QI11_Density_Operator) probability psi basis operator object measurement matrix overlap trace expectation projector side vm half superposition photon elements thing effect words From DUNCAN O'DELL 15 plays 0
PHYS3QI3_class17 duration 49 minutes 58 seconds PHYS3QI3_class17 PHYS3QI3_class17	PHYS3QI3_class17 Finished density operator slides (QI11_Density_Operator) and started the slides on local measurements (QI12_Local_Measurements) density matrix trace operator sum basis rho probabilities entropy things phi probability expression row systems eigenvalues elements sort expectation operators From DUNCAN O'DELL 11 plays 0
PHYS3QI3_class8 duration 52 minutes 4 seconds PHYS3QI3_class8 PHYS3QI3_class8	PHYS3QI3_class8 Finished slides QI6_Spins_and_Photons, started slides on Operators basis measurement photon mechanics probability superposition operator vector phase wave bomb measurements sort cat thing phi photons modulus sphere things From DUNCAN O'DELL 15 plays 0