Search results “The pearson product correlation coefficient”

Pearson's Product Moment Correlation Coefficient (PMCC) can be easily evaluated on many scientific calculators but in this video I show you the formula in case this function is not available. The coefficient is given by the letter r and represents the strength of fit of a set of observations on a scatter diagram to a straight line.
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ExamSolutions

statisticslectures.com - where you can find free lectures, videos, and exercises, as well as get your questions answered on our forums!

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statslectures

Step-by-step instructions for calculating the correlation coefficient (r) for sample data, to determine in there is a relationship between two variables.

Views: 424604
Eugene O'Loughlin

The correlation coefficient is a really popular way of summarizing a scatter plot into a single number between -1 and 1. In this video, I'm giving an intuition how the correlation coefficient does this, without going into formulas. If you need to calculate the correlation coefficient for some data, you can find the formula here: https://en.wikipedia.org/wiki/Pearson_product-moment_correlation_coefficient#For_a_sample
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.(http://creativecommons.org/licenses/by-nc/4.0/)

Views: 429971
Benedict K

This video covers how to calculate the correlation coefficient (Pearson’s r) by hand and how to interpret the results. Here we use the 'definitional formula' for calculating the correlation, as it is the easier of the two methods. It also makes more sense intuitively than the computational approach to calculating the correlation coefficient.
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Quantitative Specialists

Hi everyone. This video will show you how to calculate the correlation coefficient with a formula step-by-step. Please subscribe to the channel: https://www.youtube.com/frankromerophoto?sub_confirmation=1+%E2%80%9Cauto+subscribe%E2%80%9D
https://goo.gl/aWzM8C

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cylurian

VCE Further Maths Tutorials. Core (Data Analysis) Tutorial 18: Pearson's product-moment correlation coefficient, "r". This tute will walk you through how the "r" value works and how to estimate an "r" value from a scatterplot.
For more tutes, visit http://www.vcefurthermaths.com

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vcefurthermaths

This video is part of an online course, Intro to Statistics. Check out the course here: https://www.udacity.com/course/st101.

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Udacity

Using the Pearson Correlation Coefficient table to determine the significance of the r-value.

Views: 3631
Joan Brown

R script download:
https://rstatisticsandresearch.weebly.com/pearsons-correlation.html
Real-life example
Assumptions
Output interpretation
R studio tutorial
Pearson's correlation test

Views: 956
R Statistics and Research

I have an updated and revised (slower and otherwise improved) version of this video available at: http://youtu.be/cTolF3G5a1I
A look at the Pearson correlation coefficient (r), the coefficient of determination (r^2), some of their properties and a few examples.
One of the data sets used is estimated from a figure given in:
Singer et al. (2004). Empathy for pain involves the affective but not sensory components of pain. Science, 303:1157--1162.

Views: 34380
jbstatistics

Computes the value of the Pearson product moment coefficient (also known as r).

Views: 27313
TheRMUoHP Biostatistics Resource Channel

How to organize and process percent body fat from Under water data, skinfolds, and circumference, and how to perform a pearson product moment correlation using excel.

Views: 13907
Robert Lewis

Quick intro to regression. How to make scatter plot on TI 83 84 89. Describing scatterplots (strength form direction strange stuff)...

Views: 22583
MrNystrom

In this tutorial I explain the uses and limitations of correlational techniques and discuss, with worked examples, how to calculate and interpret Pearson's and Spearman's correlations.
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Our blog: http://www.socialscienceclub.com/

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Social Science Club

Check out our brand-new Excel Statistics Text: https://www.amazon.com/dp/B076FNTZCV
How to Calculate the Correlation using the Data Analysis Toolpak in Microsoft Excel is Covered in this Video (Part 1 of 2).
Correlation in Excel
Data Analysis Toolpak
Pearson's r in Excel
Statistics in Excel
Video Transcript:
In this video we'll take a look at how to calculate the correlation coefficient in Microsoft Excel. Now on your screen here we have two variables hours studied and that indicates the number of hours studied for an exam and then exam grade which is just a percentage grade on an exam. Now we want to calculate the correlation between these two variables to see if there's a relationship there. So do that we want to go to Data and then select Data Analysis and here we want to select Correlation and then click OK and then for Input Range what we want to do here is select all of our values and I'm going to go ahead and select the variable names as well. So click the mouse and hold the mouse button down and select all the cells there and I want to be sure since I did select the variable names or labels that I check the Labels in First Row box then click OK and then here I'm going to go ahead and expand this a little bit because it's quite small and then we'll go and round this down as well. OK so that's our correlation. I can also put it right here it's the same thing so let's take a look at what this is here. So the correlation between exam grade and our study is .86 so we could say r for Pearson's r equals .86. Now that indicates a very strong positive correlation between number of hours studied and the grade on the exam. So in other words the way we would interpret a positive correlation is people who studied more hours tended to do better on the exam and people who studied fewer hours tended to do worse on the exam. Now the relationship isn't perfect but it is very strong in this example. Now in our next video we'll test this value .86 to see whether it's significantly different from zero.
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Channel Description: For step by step help with statistics, with a focus on SPSS (with Excel videos now too). Both descriptive and inferential statistics covered. For descriptive statistics, topics covered include: mean, median, and mode in spss, standard deviation and variance in spss, bar charts in spss, histograms in spss, bivariate scatterplots in spss, stem and leaf plots in spss, frequency distribution tables in spss, creating labels in spss, sorting variables in spss, inserting variables in spss, inserting rows in spss, and modifying default options in spss. For inferential statistics, topics covered include: t tests in spss, anova in spss, correlation in spss, regression in spss, chi square in spss, and MANOVA in spss. New videos regularly posted. Videos series coming soon include: multiple regression in spss, factor analysis in spss, nonparametric tests in spss, multiple comparisons in spss, linear contrasts in spss, and many more. Subscribe today!
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Views: 105656
Quantitative Specialists

How to calculate Pearson's r correlation coefficient

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Patricia Jenkinson

Using Excel to calculate Pearson's correlation coefficient and its significance.
References to textbook are to "Elementary Statistics in Social Research", 10e, ISBN: 0-205-45958-7. In the 11th edition, Table F can be found on page 524.

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mrsethwright

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ECOHOLICS

Statistics_stat-11-12-stat-model22.mp4

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Sabaq. Pk

Pearson's Product Moment Correlation Coefficient (PMCC) can be easily evaluated on a Casio fx991-EX ClassWiz calculator as this video demonstrates. The coefficient is given by the letter r and represents the strength of fit of a set of observations on a scatter diagram to a straight line. The line of best fit is also displayed in this video of called the regression line for y on x.
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ExamSolutions

Calculating correlation coefficient r. Intuition behind the calculation and r.
View more lessons or practice this subject at http://www.khanacademy.org/math/ap-statistics/bivariate-data-ap/correlation-coefficient-r/v/calculating-correlation-coefficient-r?utm_source=youtube&utm_medium=desc&utm_campaign=apstatistics
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Khan Academy

In this video I show you how to conduct a Pearson Product Moment Correlation for multiple variables at once. Note: This is not a multivariate analysis, this is how to conduct several bivariate analyses at once using the Pearson correlation.
If you have any questions please feel free to post them in the comments section below and I will get back to you as soon as I can.
You can also message me on linkedin: https://ca.linkedin.com/in/szymanskijason

Views: 2482
SPSSisFun

made with ezvid, free download at http://ezvid.com

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Joshua Freistadt

I demonstrate how to perform and interpret a Pearson correlation in SPSS.

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how2stats

Pearson r Correlation in SPSS - How to Calculate and Interpret Correlation (Part 1).
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How to calculate the correlation coefficient in SPSS is covered in this video. The correlation is also tested for significance and a scatterplot is constructed.
YouTube Channel: https://www.youtube.com/user/statisticsinstructor
Video Transcript: In this video we'll take a look at how to calculate the correlation coefficient in SPSS. Now when we talk about calculating correlation what we mean here is Pearson correlation. The Pearson correlation measures the degree of the linear relationship between two variables. When we say linear what we mean is that the relationship can be well characterized by a straight line. So a straight line does a good job of representing the relationship. Correlation ranges from negative 1.0 to positive 1.0. There are 3 types of relationships I'd like to talk about with Pearson correlation. And in this description we have two variables the first variable is X and the second variable is Y. So our first type of relationship is a positive relationship and for a positive relationship or a positive correlation that's saying the same thing higher scores on X are associated with higher scores on Y. And what this means is there's a tendency for if an individual has a high score on X they're also going to tend to have a high score on Y. It's not necessarily perfect in most cases it won't be but if you know someone's score on X it gives you a good idea of where they are on Y. High on X high on Y. For positive it's also true that if you have a lower score on X you would tend to have a lower score on Y. The second type of relationship is a negative relationship or negative correlation. Now here we see the opposite pattern. So here higher scores on X are associated with lower scores on Y and vice versa. Lower scores on X are associated with higher scores on Y. Finally our last type of relationship is no relationship and that means there's no predictable relationship between X and Y. And another way to think about it is where here we had higher on X we had higher on Y for positive and for negative we had higher on X with lower on Y, well for no relationship we have if you have a low X you're going to have some low Ys, some medium Ys, and some high Ys. If you have a high X you're going to once again have some low Ys, medium Ys, and high Ys. There's no relationship; no predictable relationship between X and Y for a correlation that exhibits no relationship at all between the two variables. OK with the background of correlation laid out let's go ahead and take a look at our example. In this example we have the following two variables, hours of media or hours media and college GPA. And what we did here in this hypothetical example is we recorded the number of hours of media during a given week that individuals engaged in. And media could be TV, movies, internet, and so on. So we recorded the number of hours of media that people engaged in, in a given week, and then we also obtained their college GPA and we want to see if there's a relationship between these two variables as measured by Pearson's r our correlation. And if you think about it if somebody watches a lot of media so they're spending let's say an inordinate amount of time watching media whatever form it may take. That's not going to leave them probably sufficient time to attend to their studies. And in that case if we had a lot of hours of media watched that probably would suggest that the GPA may be lower. But if that was true high hours media, low GPA, do you recall kind of correlation coefficient that would be? Well if we use the generic variables X and Y here high on X low on Y so it's an opposite pattern, high on one low on the other, that you may recall is a negative correlation. So it makes sense, at least theoretically speaking, that there could be a negative correlation here. But let's go ahead and run the analysis and see what we find. To run the correlation we go to Analyze, and then Correlate, and then Bivariate
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Quantitative Specialists

In this video I show you how to calculate the Pearson correlation for two variables.

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SPSSisFun

See more videos at:
http://talkboard.com.au/
This video shows how to understand the coefficient of determination (r-squared).

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talkboard.com.au

Instructional video on determining the Pearson product moment correlation coefficient with Excel, and the significance test.
Example file at https://goo.gl/DqMu8y
Companion website at http://PeterStatistics.com/CrashCourse

Views: 5640
stikpet

Explore how to estimate Pearson's Correlation Coefficient using Stata. Created using Stata 12. Copyright 2011-2017 StataCorp LLC. All rights reserved.

Views: 113536
StataCorp LLC

Instructional video on determining the Pearson product moment correlation coefficient with R, and the significance test.
Companion website at http://PeterStatistics.com/CrashCourse

Views: 645
stikpet

Correlation using scattered diagram and KARL PARSON method is explained in this video along with example.
This video include the detailed concept of solving any kind of problem related to correlation.
Basically correlation refers to a statistical technique which we use to find out the relation exist between two or more variables.
I hope this video will help you to solve any kind of problem related to Correlation.
Thanks.
JOLLY Coaching
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JOLLY Coaching

Quantitative Techniques in Management:
Correlation Formula Derivation, Karl Pearson's Coefficient video by Edupedia World (www.edupediaworld.com). All Rights Reserved.
Have a look at the other videos on this topic:
https://www.youtube.com/playlist?list=PLJumA3phskPH2vSufmMsrBUHbuoQY3G4R
Browse through other subjects in our playlist:
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Edupedia World

statisticslectures.com - where you can find free lectures, videos, and exercises, as well as get your questions answered on our forums!

Views: 53854
statslectures

what is the r value? the correlation coefficient? Here is a quick explanation of the r value and what it means.. How to find r value and equation on TI 84 83 89 .. r value basics

Views: 51868
MrNystrom

I REALLY HOPE THIS VIDEO CAN MAKE MY STUDENT EAGER TO LEARN

Views: 2830
Mat Math

Views: 44980
Heather Davis

Before you can find the correlation coefficient on your calculator, you MUST turn diagnostics on. After this, you just use the linear regression menu. Update 2015: On many of the new TI calculators you might have a menu come up and ask about FreqList. You should leave this blank for this calculation, so delete anything there!

Views: 379797
MathBootcamps

How to Calculate Pearson's r correlation coefficient
(NOTE: This is a corrected version)

Views: 4483
Patricia Jenkinson

Views: 14127
Stephanie Glen

Video on how to calculate the product moment correlation coefficent.

Views: 2865
5 Minute Maths

Illustrative PowerPoint Presentation Assignment- (EPSY 5381) Texas Tech University

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Texas Tech University

Gives an example of hypothesis testing for correlations using pearson's r.

Views: 4538
ProfNoria

Our new text, Statistical Analysis in Excel: https://www.amazon.com/dp/B076FNTZCV
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This video illustrates how to calculate and interpret a correlation in Microsoft Excel.
Our video on Installing the Data Analysis ToolPak in Excel: https://youtu.be/_yNxLFagKgw

Views: 4523
Quantitative Specialists

This short video details the steps to be followed in order to undertake a Hypothesis Test for the significance of a Correlation Coefficient. In particular, we test the significance of a Pearson Correlation Coefficient, with that said; the test is similar to that for a Spearman Correlation Coefficient. Small error: Df should be n - 2 and not n -1.

Views: 19799
Maths and Stats

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Philosophys powerful influence on the formation and development of the cultures of the West should not obscure the influence it has also had upon the ways of understanding existence found in the East. Every people has its own native and seminal wisdom which, as a true cultural treasure, tends to find voice and develop in forms which are genuinely philosophical. One example of this is the basic form of philosophical knowledge which is evident to this day in the postulates which inspire national and international legal systems in regulating the life of society. Nonetheless, it is true that a single term conceals a variety of meanings. Hence the need for a preliminary clarification. Driven by the desire to discover the ultimate truth of existence, human beings seek to acquire those universal elements of knowledge which enable them to understand themselves better and to advance in their own self-realization. These fundamental elements of knowledge spring from the wonder awakened in them by the contemplation of creation: human beings are astonished to discover themselves as part of the world, in a relationship with others like them, all sharing a common destiny. Here begins, then, the journey which will lead them to discover ever new frontiers of knowledge. Without wonder, men and women would lapse into deadening routine and little by little would become incapable of a life which is genuinely personal.