Shokoufeh Mirzaei
Shokoufeh Mirzaei
  • Видео 55
  • Просмотров 3 781 891

Видео

How to implement forecasting for datasets with trend and seasonality
Просмотров 2,7 тыс.3 года назад
How to implement forecasting for datasets with trend and seasonality
Regression on Large Datasets
Просмотров 4,5 тыс.3 года назад
In this video, we will discuss the disadvantage of regression on large datasets
How to create a very simple function in R
Просмотров 5653 года назад
In this lesson we learn how to create and source a very simple function in R
How to create a simple function in R with logical conditions
Просмотров 4893 года назад
How to create a simple function in R with logical conditions
How to make a rock, paper, and scissors game in R
Просмотров 2 тыс.3 года назад
In this lesson, we learn how to use functions in R to make a rock, scissors, paper game in R
How to implement Moving Average Forecasting in R
Просмотров 12 тыс.3 года назад
How to implement Moving Average Forecasting in R
How to Implement Constant Method of Forecasting in R
Просмотров 9043 года назад
Perhaps the simplest method of forecasting is constant forecasting, which uses the actual value of each period as the prediction of the next period. We learn how to do this in R.
How to solve an Integer Programming Problem using Cutting-Plane Method
Просмотров 63 тыс.4 года назад
In this video, we learn how to solve an Integer Linear Programming Problem using the Cutting-Plane method. The example is from this textbook: he.kendallhunt.com/product/linear-programming-introduction
Unsupervised Learning: A simple example for Hierarchical Clustering
Просмотров 18 тыс.4 года назад
In this lesson, we learned how to group observations using Hierarchical Clustering with a simple exmaple.
Dual Programming Part 3: Writing the Dual Programming of a Linear Programming Problem
Просмотров 76 тыс.4 года назад
Make sure you watch part 1 and 2 before part 3. In this video, we go over another example on how to write the dual programming of a LP.
Dual Programming Part 2: How to write the dual programming of a linear programming problem
Просмотров 31 тыс.4 года назад
In this lesson, we learn two methods to write the dual programming of a given linear programming problem.
Dual Programming Part 1: Relationship between the Primal and Dual LP's
Просмотров 56 тыс.4 года назад
In this video, we learn why for every learning programming problem, there is an associated dual problem. Also, dual programming problem properties are discussed.
Example- Confidence Interval and Hypothesis Testing for Two Population Averages
Просмотров 1,3 тыс.6 лет назад
In this lesson, we will discuss confidence interval and hypothesis testing for two population averages with an example.
The one-sided confidence interval and hypothesis testing for two population averages
Просмотров 9 тыс.6 лет назад
In this lesson, we are going to discuss the one-sided confidence interval and hypothesis testing for the difference between two population averages.
Two-sided Confidence Interval and Test of hypothesis for the two population averages
Просмотров 7 тыс.6 лет назад
Two-sided Confidence Interval and Test of hypothesis for the two population averages
Sampling Distribution for the Difference Between the two Population Averages
Просмотров 6636 лет назад
Sampling Distribution for the Difference Between the two Population Averages
Sampling Distribution and Central Limit Theorem
Просмотров 1,1 тыс.6 лет назад
Sampling Distribution and Central Limit Theorem
How to find critical Z value (Z alpha)
Просмотров 94 тыс.6 лет назад
How to find critical Z value (Z alpha)
Part 3- Von Neumann-Morgenstern Expected Utility Axioms
Просмотров 24 тыс.6 лет назад
Part 3- Von Neumann-Morgenstern Expected Utility Axioms
Part4-How to calculate Risk premium and insurance premium using utility function
Просмотров 21 тыс.6 лет назад
Part4-How to calculate Risk premium and insurance premium using utility function
Part5-Simple example on how to use utility function for decision making
Просмотров 6 тыс.6 лет назад
Part5-Simple example on how to use utility function for decision making
Part 6-Decision making under uncertainty using Decision tree and utility functions
Просмотров 18 тыс.6 лет назад
Part 6-Decision making under uncertainty using Decision tree and utility functions
Part2- How to develop a Utility function using equivalent lotteries
Просмотров 8 тыс.6 лет назад
Part2- How to develop a Utility function using equivalent lotteries
Part1-How to develop a utility function using equivalent lotteries
Просмотров 25 тыс.6 лет назад
Part1-How to develop a utility function using equivalent lotteries
How to Develop a Piecewise Linear Regression Model in R
Просмотров 21 тыс.6 лет назад
How to Develop a Piecewise Linear Regression Model in R
How to Create a Categorical Regression Model in R
Просмотров 50 тыс.6 лет назад
How to Create a Categorical Regression Model in R
How to create a Quadratic Regression Model in R
Просмотров 22 тыс.6 лет назад
How to create a Quadratic Regression Model in R
Definition of basic and nonbasic variables in simplex method
Просмотров 58 тыс.6 лет назад
Definition of basic and nonbasic variables in simplex method
How to solve an Integer Linear Programming Problem Using Branch and Bound
Просмотров 374 тыс.6 лет назад
How to solve an Integer Linear Programming Problem Using Branch and Bound

Комментарии

  • @matthewjames7513
    @matthewjames7513 День назад

    can you solve a quadratic mixed integer optimization using branch and bound?

  • @sepehrsepy6470
    @sepehrsepy6470 9 дней назад

    دلام

  • @ilivedinamericafor4years383
    @ilivedinamericafor4years383 20 дней назад

    thank you so much for this video! I passed my course!

  • @drunkshakespearee
    @drunkshakespearee 22 дня назад

    exam is in two days, and I feel soooo relieved I found your videos before my exam!!!! Thank you so much, I struggled so hard with my notes and my teachers, but you managed to make it clear and simple!!! Thanks!!! I hope I’ll pass!!!

  • @Caggen218
    @Caggen218 22 дня назад

    Great explanation! Thank you!

  • @graphicsRat
    @graphicsRat 24 дня назад

    So far, this is the only video that I've found that gently explains what the primal and dual problems really are and where they come from, instead of jumping headlong into using the concepts. Thank you!!!

  • @shivakumarshivu3299
    @shivakumarshivu3299 25 дней назад

    Mam your voice is not clear

  • @Greg-qf8ux
    @Greg-qf8ux 27 дней назад

    before this I never Understood gaus

  • @wellcholmajok3206
    @wellcholmajok3206 Месяц назад

    Nice work

  • @halitmadensoy6156
    @halitmadensoy6156 Месяц назад

    I wish, there was more Integer Programming videos, that you made. Thanks Professor.

  • @editx7574
    @editx7574 Месяц назад

    10:16 x<=2 How did you decide that this value would be used in the hagi constraint?

  • @prudencephiri7072
    @prudencephiri7072 Месяц назад

    @3:15 ,How did youfind the objective function value=15?

  • @jameswilson5683
    @jameswilson5683 Месяц назад

    Great explanation!

  • @reikiyamya1912
    @reikiyamya1912 Месяц назад

    1 year after completing my Masters and today, I think, I fully understood the Simplex Method. Amazing explanation 🎉

  • @satyanarayanbarik1701
    @satyanarayanbarik1701 Месяц назад

    Thank you ma'am ☺️

  • @RasheedHadji
    @RasheedHadji Месяц назад

    Confused u r fast

  • @jrcrysty8479
    @jrcrysty8479 Месяц назад

    I just LOVE YOU! <3

  • @joyjohn6388
    @joyjohn6388 Месяц назад

    It’s not clear

  • @goncalomatias3637
    @goncalomatias3637 Месяц назад

    Where do you get the 27.67 from?

  • @sifzia8012
    @sifzia8012 Месяц назад

    What should we do if after adding the new constraint (the new cut) to the previous optimal simplex table, the basic variables do not remain in echelon form?

  • @enrico6505
    @enrico6505 Месяц назад

    This is just such a great explanation, thank u so much!

  • @LilacRains
    @LilacRains Месяц назад

    In the end for compound lottery, it will be 0.3 and 0.2 (not 0.7) Also, very good explanation. Thank you!

  • @Pradeep-hn4iq
    @Pradeep-hn4iq Месяц назад

    Thank you, this is the explanation I was searching for about k means clustering.

  • @RunqiChen
    @RunqiChen Месяц назад

    I went through lots of materials from other websites and couldn't understand this topic, but your video is amazing and makes everything clear! Thank you!

  • @Matt-dr8lp
    @Matt-dr8lp Месяц назад

    How did you get 5x1+ 6x2 = 15? @3:24

  • @phnx961
    @phnx961 2 месяца назад

    life saver wallahi

  • @subhampathak6141
    @subhampathak6141 2 месяца назад

    tysm

  • @chukwuemekaeze3013
    @chukwuemekaeze3013 2 месяца назад

    POV: your exam is tomorrow

  • @molexmosi7591
    @molexmosi7591 2 месяца назад

    Thank you ❤

  • @lucileofvenus
    @lucileofvenus 2 месяца назад

    Thank you very much!!

  • @zEre326
    @zEre326 2 месяца назад

    You are the best! I couldn’t understand this concept for weeks, thanks to you I do now ❤

  • @misa3483
    @misa3483 2 месяца назад

    This is extremely underrated. Best video on the topic. You did in 15 minutes what my teacher couldn't in 8 hours. All those little notes were extremely useful in putting things into context, I knew how to do this a little bit, but you explained every single "why" I had.

  • @AntonioFranky
    @AntonioFranky 2 месяца назад

    Thanks to you I finally understand this. You make simple what seemed like advanced quantum physics when my professor explained it.

  • @mehdisharafi9177
    @mehdisharafi9177 2 месяца назад

    I really appreciate you, this video was completely useful and I understand everything about clustering, please make a video about PCA

  • @Lefaust24
    @Lefaust24 2 месяца назад

    This just saved my life thank you.

  • @yohannesatakelti8286
    @yohannesatakelti8286 2 месяца назад

    i have exams tomorrow, thank you.

  • @pradhumnj1417
    @pradhumnj1417 2 месяца назад

    Namaste 🙏, mam Please explain the logic behind Step 4- find the min of uncovered values. Then, subtract the min from all the uncovered values and add it to the corner points. It would be greatful if you make a video on it And thanyou for the last one (writing no. Of zeros in rows and columns) 😊

  • @AnnaIlieva-gp3dh
    @AnnaIlieva-gp3dh 2 месяца назад

    How did you find [0;5] and [5;0]??? I don' get it - i wanna cry. I already had one mad mark on that... Please help

    • @tristansmith9657
      @tristansmith9657 2 месяца назад

      if x1 = 0, the most x2 is = to will be 5 since x1 + x2 <= 5, and then vice versa, that’s how the line can be derived, hope you can understand this!

  • @gud_vibesm
    @gud_vibesm 2 месяца назад

    bro i love u mirzae! literally the amazing lecture i have got to understand duality! HUGE RESPECT FOR YOU! Thank u so much for making the decision of creating a videos on LP Programming and then uploading it.

  • @ukiyo-lk8sq
    @ukiyo-lk8sq 2 месяца назад

    Jazakallah Mirzaei, huge respect for you. Thank u so much ❤

  • @zhangshiyang5966
    @zhangshiyang5966 2 месяца назад

    super clear, finally get why duality works!!!

  • @tonyparkthechanger
    @tonyparkthechanger 2 месяца назад

    You saved me❤

  • @sunmoon1231
    @sunmoon1231 2 месяца назад

    I'm an OR professional in transportation industry. Recently considering using column generation to tackle a hard to solve problem which requires me to find the dual of the problem with equality constraints. Your video helps me bringing back my rusty basic OR techniques. Thank you!

  • @techifers
    @techifers 3 месяца назад

    Thanks a lot. BTW, the line for the second constraint in the last question is a mistake, right? Cos the line is at X2 = 2 not 3. It's a mistake, right?

  • @Lilkibe
    @Lilkibe 3 месяца назад

    Thanks alot

  • @adamszef1981
    @adamszef1981 3 месяца назад

    I watched and analyzed a task but U made mistake in x11 = x22 = x34 = x43 is correct Not x11 = (x21) = x34 = x43

  • @SimTekGameDevelopment
    @SimTekGameDevelopment 3 месяца назад

    This was a most excellent tutorial!

  • @reamabdulsalam524
    @reamabdulsalam524 3 месяца назад

    It is too complicated and you are very fast

  • @niteshdas5221
    @niteshdas5221 3 месяца назад

    i got confused in step 3 , no of line to cover min 0 zeros. so having vertical line at first colmn ther is only 1 zero, when i solve it in same way i get only 2 lines one covering 3rd row(horizontal) and 2nd colmn (vertical)

  • @daisy-tt7jx
    @daisy-tt7jx 3 месяца назад

    Thank you