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85 results

Mikko Rönkkö
Multilevel and mixed models, random and fixed part

Importantly, you need to also understand, what is a random effect and what is a fixed effect. Because understanding these two ...

6:40
Multilevel and mixed models, random and fixed part

23,709 views

6 years ago

OpenMDAO
Multiobjective optimization

Multiobjective optimization is somewhat of a misnomer -- you actually have to have predefined weightings for each of the ...

5:49
Multiobjective optimization

22,539 views

3 years ago

Orange Data Mining
Explaining PCA

With this video we are wrapping up with PCA. This last installment will show us that we might gain additional insight into our data if ...

6:52
Explaining PCA

8,006 views

2 years ago

Orange Data Mining
tSNE vs MDS vs PCA

In this video, we take a closer look at Multidimensional scaling (MDS). We practice its use on a small data set. Then, using a data ...

5:54
tSNE vs MDS vs PCA

12,595 views

2 years ago

Orange Data Mining
Multidimensional Scaling

In this video we introduce Multidimensional scaling (MDS), an alternative tool for presenting data and reducing dimensionality.

6:21
Multidimensional Scaling

20,301 views

2 years ago

Orange Data Mining
How to choose k for k-Means?

In this video, we use silhouette scores together with k-Means to evaluate which k works best in each specific cluster-finding ...

5:24
How to choose k for k-Means?

9,146 views

2 years ago

Mikko Rönkkö
Latent growth models

And then we have slope random variable, which has effect zero, one, two, and three. So, we add intercept once to every ...

7:08
Latent growth models

10,580 views

5 years ago

Mikko Rönkkö
Correlated random effects models

To learn more about correlated random effects model including code examples of their estimation in R and Stata, check out our ...

10:34
Correlated random effects models

10,938 views

6 years ago

Mikko Rönkkö
Cross-lagged panel models

These random intercepts are allowed to be correlated. So this is a correlated random intercept model and we know from ...

9:43
Cross-lagged panel models

21,692 views

5 years ago

aantonop
Bitcoin Q&A: How Is the Number of Zeros in the Target Hash Determined?

How is the Bitcoin mining difficulty target hash determined? Why are the number of zeros at the beginning of the number used to ...

5:25
Bitcoin Q&A: How Is the Number of Zeros in the Target Hash Determined?

9,038 views

5 years ago

Orange Data Mining
k-Means Clustering

In this video, we introduce k-Means, a clustering algorithm that won't eat up all your laptop's computing power, making it, in some ...

4:46
k-Means Clustering

18,223 views

2 years ago

David Fdez
A simulation-based algorithm for RRM

Proposal of an heuristic for the scheduling of capacity requests and the periodic assignment of radio resources in geostationary ...

16:26
A simulation-based algorithm for RRM

670 views

12 years ago

K Dunn
Experiments 4E - All about blocking

Videos used in the Coursera course: Experimentation for Improvement. Join the course for FREE at ...

9:21
Experiments 4E - All about blocking

6,144 views

10 years ago

Mikko Rönkkö
Difference-in-differences methods

Difference-in-differences analysis is a technique for establishing causal relationships using quasi-experimental data.

16:18
Difference-in-differences methods

52,911 views

5 years ago

Jukka Suomela
Programming Parallel Computers: Part 6A

Aalto University course CS-E4580 Programming Parallel Computers. Lecture 6, part A: Designing parallel algorithms.

9:14
Programming Parallel Computers: Part 6A

1,032 views

5 years ago

Orange Data Mining
Classification Trees

In this video, we explore classification trees using the Iris dataset in Orange. We use the Select Columns widget to examine the ...

5:19
Classification Trees

15,503 views

2 years ago

Logan Kelly
3. Residuals Diagnostics
15:34
3. Residuals Diagnostics

169 views

4 years ago

weecology
Introduction to Repeating Things in R: Combining Your Own Functions With dplyr
15:08
Introduction to Repeating Things in R: Combining Your Own Functions With dplyr

1,546 views

5 years ago

weecology
Basics of Vectors in R

Introduction to vectors including slicing and use with functions including length, mean, max, min, and mean.

8:40
Basics of Vectors in R

1,054 views

5 years ago

weecology
Cleaning Data Using tidyr: Pivoting Wide Data to be Longer
9:19
Cleaning Data Using tidyr: Pivoting Wide Data to be Longer

1,445 views

5 years ago