Search for tag: "regressie"

29 Media

3.8 Matching \| Quantitative methods \| Research… duration 6 minutes 31 seconds 3.8 Matching \| Quantitative methods \| Research… 3.8 Matching \| Quantitative methods \| Research Designs \| UvA	3.8 Matching \| Quantitative methods \| Research Designs \| UvA This video introduces the concept of matching participants. Sometimes random assignment is impossible, which increases the selection threat to internal validity. One way to mitigate this threat is to… undermatching regression to the mean random assignment selection threat regressie naar het gemiddelde ondermatching willekeurige toewijzing selectie criterium From Sander Birkhoff 0 likes 2 plays 0 Language English - en Department FMG
2.8 Example Pearson's r and regression \|… duration 8 minutes 28 seconds 2.8 Example Pearson's r and regression \|… 2.8 Example Pearson's r and regression \| Basic Statistics \| Correlation and Regression \| UvA	2.8 Example Pearson's r and regression \| Basic Statistics \| Correlation and Regression \| UvA In this video Matthijs answers the following questions using an example of two variables: 1. Is there a linear relationship? 2. What is the Pearson's r? 3. What is the regression equation and… uva regression regression line r-squared coefficient of determination regressie regressielijn regressievergelijking regressiecoefficient determinatiecoëfficiënt From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
2.6 Correlation is not causation \| Basic… duration 5 minutes 23 seconds 2.6 Correlation is not causation \| Basic… 2.6 Correlation is not causation \| Basic Statistics \| Correlation and Regression \| UvA	2.6 Correlation is not causation \| Basic Statistics \| Correlation and Regression \| UvA This video explains why you have to be very careful interpreting the results of a regression analysis. Matthijs explains two key messages: that correlation is not the same as causation (e.g. with… uva regression analysis interpretation of regression analysis correlation and causation spurious relationship regressie analyze interpretatie van regressie correlatie en causatie spurieuze relatie From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
2.5 How well does the regression line fit \| Basic… duration 5 minutes 36 seconds 2.5 How well does the regression line fit \| Basic… 2.5 How well does the regression line fit \| Basic Statistics \| Correlation and Regression \| UvA	2.5 How well does the regression line fit \| Basic Statistics \| Correlation and Regression \| UvA In this video Matthijs explains you how to assess how well the regression line fits the data using R-squared. R-squared tells you how much better a regression line predicts the value of a dependent… uva regression regression line r-squared coefficient of determination regressie regressielijn determinatiecoëfficiënt From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
2.4 Describing the regression line \| Basic… duration 7 minutes 34 seconds 2.4 Describing the regression line \| Basic… 2.4 Describing the regression line \| Basic Statistics \| Correlation and Regression \| UvA	2.4 Describing the regression line \| Basic Statistics \| Correlation and Regression \| UvA This video shows how you can describe a regression line with a regression equation. Matthijs explains the different parts of the regression equation: predicted value of y, intercept, regression… uva regression regression line regression equation regression coefficient regressie regressielijn regressievergelijking regressiecoefficient From Sander Birkhoff 0 likes 2 plays 0 Language English - en Department FMG
2.3 Finding the regression line \| Basic… duration 3 minutes 46 seconds 2.3 Finding the regression line \| Basic… 2.3 Finding the regression line \| Basic Statistics \| Correlation and Regression \| UvA	2.3 Finding the regression line \| Basic Statistics \| Correlation and Regression \| UvA In this video you learn how to find the regression line. This is important, because it is the basis for many statistical analyses. Matthijs explains the calculation of residuals and drawing the line… uva correlation regression regression line ordinary least squares regression ols regression correlatie regressie regressielijn ols regressie From Sander Birkhoff 0 likes 2 plays 0 Language English - en Department FMG
3.7 Experimental designs \| Quantitative methods \|… duration 4 minutes 29 seconds 3.7 Experimental designs \| Quantitative methods \|… 3.7 Experimental designs \| Quantitative methods \| Research Designs \| UvA	3.7 Experimental designs \| Quantitative methods \| Research Designs \| UvA This video discusses four very common experimental designs: two-group design, two-group pre/post design, Solomon four-group design and within/repeated measures design. regression analysis regression linear regression normality linearity homoscedasticity independence of errors regressie-analyze regressie lineaire regressie lineariteit normaliteit homoscedasticiteit homogeniteit van variantie From Sander Birkhoff 0 likes 2 plays 0 Language English - en Department FMG
3.3 The regression model \| Inferential Statistics… duration 5 minutes 23 seconds 3.3 The regression model \| Inferential Statistics… 3.3 The regression model \| Inferential Statistics \| Simple regression \| UvA	3.3 The regression model \| Inferential Statistics \| Simple regression \| UvA This video looks at the population regression equation. You see how it models the relation between predictor and response variable in the population. regression analysis regression linear regression regression line regression equation regression model regressie-analyze regressie lineaire regressie eenvoudige regressie regressiemodel From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
5.6 ANOVA and regression \| Inferential Statistics… duration 4 minutes 30 seconds 5.6 ANOVA and regression \| Inferential Statistics… 5.6 ANOVA and regression \| Inferential Statistics \| Analysis of variance \| UvA	5.6 ANOVA and regression \| Inferential Statistics \| Analysis of variance \| UvA In this video we discuss the link between analysis of variance and multiple regression. In fact, multiple regression and analysis of variance are technically the same. To illustrate this we perform a… anova one-way analysis of variance one-way anova multiple regression regression analysis variantieanalyze one-way variantieanalyze meervoudige regressie regressieanalyze From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
4.8 Interpreting results \| Inferential Statistics… duration 7 minutes 7 seconds 4.8 Interpreting results \| Inferential Statistics… 4.8 Interpreting results \| Inferential Statistics \| Multiple regression \| UvA	4.8 Interpreting results \| Inferential Statistics \| Multiple regression \| UvA In this video we will go through all the steps of performing a regression analysis, from checking assumptions to interpreting results. We will also compare the different regression models we… regression analysis regression categorical response variable categorical predictor multiple correlation coefficient regressie-analyze regressie regressiemodel categorische variabele dichotome variabele meervoudige correlatiecoëfficiënt From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
4.7 Categorical response variable \| Inferential… duration 6 minutes 25 seconds 4.7 Categorical response variable \| Inferential… 4.7 Categorical response variable \| Inferential Statistics \| Multiple regression \| UvA	4.7 Categorical response variable \| Inferential Statistics \| Multiple regression \| UvA In this video you learn how you can use quantitative predictors and indicator variables to predict a binary response variable, using multiple logistic regression. regression analysis regression categorical response variable binary response variable multiple logistic regression regressie-analyze regressie regressiemodel categorische variabele dichotome variabele meervoudige logistische regressie From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
4.6 Categorical predictors \| Inferential… duration 6 minutes 11 seconds 4.6 Categorical predictors \| Inferential… 4.6 Categorical predictors \| Inferential Statistics \| Multiple regression \| UvA	4.6 Categorical predictors \| Inferential Statistics \| Multiple regression \| UvA In this video you learn how to include categorical predictors called indicators, and how to interpret them in multiple linear regression. regression analysis regression categorical predictor regressie-analyze regressie regressiemodel categorische variabele From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
4.5 Checking assumptions \| Inferential… duration 4 minutes 48 seconds 4.5 Checking assumptions \| Inferential… 4.5 Checking assumptions \| Inferential Statistics \| Multiple regression \| UvA	4.5 Checking assumptions \| Inferential Statistics \| Multiple regression \| UvA In this video you learn how to check whether the assumptions of multiple linear regression hold. The assumptions discussed here are: linearity, normality, homoscedasticity, independence, sufficient… regression analysis regression linear regression normality linearity homoscedasticity independence of errors regressie-analyze regressie lineaire regressie lineariteit normaliteit homoscedasticiteit homogeniteit van variantie From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
4.4 Individual T-tests \| Inferential Statistics \|… duration 6 minutes 23 seconds 4.4 Individual T-tests \| Inferential Statistics \|… 4.4 Individual T-tests \| Inferential Statistics \| Multiple regression \| UvA	4.4 Individual T-tests \| Inferential Statistics \| Multiple regression \| UvA In this video you learn how to perform individual T-tests to see for each predictor separately whether it's significantly related to the response variable, while controlling for the other… regression analysis regression regression model individual t-test regressie-analyze regressie regressiemodel individuele t-toets From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
4.3 Overall F-test \| Inferential Statistics \|… duration 6 minutes 0 seconds 4.3 Overall F-test \| Inferential Statistics \|… 4.3 Overall F-test \| Inferential Statistics \| Multiple regression \| UvA	4.3 Overall F-test \| Inferential Statistics \| Multiple regression \| UvA In this video you learn how to test whether the predictors together as a set are significantly related to the response variable. This test is referred to as the overall F-test of a multiple… regression analysis regression regression model f-test f-test of overall significance regressie-analyze regressie regressiemodel f-toets From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG
4.2 R and R-squared \| Inferential Statistics \|… duration 5 minutes 25 seconds 4.2 R and R-squared \| Inferential Statistics \|… 4.2 R and R-squared \| Inferential Statistics \| Multiple regression \| UvA	4.2 R and R-squared \| Inferential Statistics \| Multiple regression \| UvA In this video you learn about the multiple correlation coefficient used to assess the strength of association between a response variable and a set of predictors. You also learn about the properties… regression analysis regression regression model multiple correlation coefficient r2 regressie-analyze regressie regressiemodel meervoudige correlatiecoëfficiënt From Sander Birkhoff 0 likes 1 plays 0 Language English - en Department FMG