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 Chenfei Li 2 plays 0 Usage Rights CC0
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)
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
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_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
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
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
12-PositionSpace Interactions duration 1 hour 31 minutes 12-PositionSpace Interactions 12-PositionSpace Interactions	12-PositionSpace Interactions Physics 4Q03 Lecture 12: This lecture summarizes the position space formalism of the previous lecture and introduces simple self-interactions. particles energy particle thing things hamiltonian star function momentum sum interaction times probability prime problem volume delta n. operator space From Clifford Burgess 66 plays 0
13-BE Condensation duration 56 minutes 44 seconds 13-BE Condensation 13-BE Condensation	13-BE Condensation Physics 4Q03 Lecture 13: This lecture reviews how to set up averages with statistical mechanics, translating the grand canonical ensemble into the language of occupation number. This is used to… particles thing mu energy sum beta minus epsilon density volume probability function alpha particle naught infinity ground bar things story From Clifford Burgess 45 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
QFT-Tut-210210 duration 57 minutes 3 seconds QFT-Tut-210210 QFT-Tut-210210	QFT-Tut-210210 Physics 4Q03 Tutorial Feb 10, 2021 momentum delta function things particles thing space week position energy prime factors particle continuum probability factor times rate cubed translation From Clifford Burgess 13 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_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
QFT-Tut-210128 duration 42 minutes 32 seconds QFT-Tut-210128 QFT-Tut-210128	QFT-Tut-210128 Phys 4Q03 Tutorial for Jan 28, 2021. (This one mistakenly has a music track appended from a playlist that was playing when I was setting up and which I forgot to turn off because i could not hear it… particles particle thing star momentum times matrix delta factor theory root perturbation argument things side probability rule minus element operator From Clifford Burgess 34 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
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
PHYS3QI3_Class7 duration 50 minutes 53 seconds PHYS3QI3_Class7 PHYS3QI3_Class7	PHYS3QI3_Class7 Continued going through slides QI6_Spins_and_photons. Introduced Dirac notation. basis mechanics measurement psi space vector photon interference probability sort wave quantum vectors amplitudes photons direction minus experiment hilbert pattern From DUNCAN O'DELL 23 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
QFT-Tut-210113 duration 56 minutes 15 seconds QFT-Tut-210113 QFT-Tut-210113	QFT-Tut-210113 This is the QFT Tutorial for Jan 13, 2021. particles things particle momentum probability energy thing sum mechanics minus equation beta times field equations notation operator statement psi bosons From Clifford Burgess 44 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
PHYS 3QI3 Class 2 duration 49 minutes 50 seconds PHYS 3QI3 Class 2 PHYS 3QI3 Class 2	PHYS 3QI3 Class 2 Continued going through the slides: QI2_Overview quantum computer sort superposition measurement mechanics cubits numbers things probability phase amplitudes alpha vector cubit modulus wave particle bits basis From DUNCAN O'DELL 29 plays 0
08-AbsrbGenNThermalDist duration 1 hour 27 minutes 08-AbsrbGenNThermalDist 08-AbsrbGenNThermalDist	08-AbsrbGenNThermalDist 4Q03 Lecture 08: This lecture continues to convert Fermi's Golden Rule to continuum normalization, doing so for a simple absorption process and then for a general scattering process, defining… particles momentum thing volume particle rate factor times function cubed continuum beta delta alpha energy probability reaction density factors matrix From Clifford Burgess 105 plays 0