Newest Regression Questions | Wyzant Ask An Expert

06/02/22

Should we adjust for multicollinearity before or after feature selection?

I am conducting a regression analysis with a data set that has high multicollinearity with high VIF values. I adjusted for it before my feature selection, and I also tried adjusting for it only... more

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Regression Python Machine Learning

04/29/22

capstone project

In this project, you are going to work on the The "Census Income" data set from the UCI Machine Learning Repository that contains the income information for over 48,000 individuals taken... more

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Regression Python Machine Learning

02/09/22

regression from machine learning

Parameter Description Cement Cement (kg in a m3 mixture) BFSlag Blast Furnace Slag – non-metallic co-product produced during a furnace operation(kg in a m^3 mixture) FlyAsh Fly Ash – Ash... more

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Regression Math Statistics Regression Line

12/01/21

Help Me Fit This Regression line Pleaseee

The following table displays the mathematics test scores for a random sample of, along with their final SY16C grades.a.Fit the regression line y=a+bx to the dataand interpret the results.b.Use the... more

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Regression Microsoft Excel Excel Numerical Analysis

11/25/21

Need help to do it in excel please.

Based on the following data and using Regression function in Microsoft Excel, fit a multiple linear equation to the data and determine the R2x1 0 1 1 2 2 3 3 ... more

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Regression Statistics Mathematics

07/03/21

Any help for this question please?

The following table shows the hours of sunshine, x, during nine days in August and the number of ice creams, y, sold by a beach shop in... more

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Regression R

04/07/21

Multivariate regression R output not displaying coefficient values for each variable in the model

When I run the summary(fit2), I only get output showing the intercept and coefficient for the first variable. How can I get the coefficient values for all variables in the model? mydata = ... more

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Regression Math Algebra College Algebra

04/06/20

please help by answering and showing work!

1. Use the vertex formula to find the vertex. Find all intercepts and then sketch. Dot in the line of symmetry.f(x) = x2 – 6x + 5Vertex: ( , ) y-intercept: ( , )x-intercepts: ( , ) , ( , )equation... more

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Regression Statistics

09/07/19

Ordinary linear regression

Suppose we have data from a health survey conducted in year 2000. Data were obtained from a random sample of 1200 persons aged 25-64.An OLS linear regression analysis was carried out in the... more

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Regression Microsoft Excel Dataanalysispak

06/27/19

How do you run a regression analysis in Excel?

I want to use MS Excel to run a linear regression analysis.

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Regression

09/29/18

Which values can an independet variable take?

thanks for your help

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Regression Statistics Variance Charting

07/09/18

How to compare two charts movement and direction and get a percentage of similarity?

Here are two charts with time as X and price as Y. Each chart represents a day (9:30 to 4pm). And I am using the 5 minutes candlesticks (explanation is attached). So we should have 78 candlesticks... more

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Regression Statistics Statistics Question Regression Model

12/02/17

In a regression anaylsis, if r2 = 1, which of the following are implied? a ) SSE = SST b) SSE = 1 c) SSR = SSE d) SSR = SST

A question regarding regression analysis in statistics

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Regression Statistics Statistical Method Multiple Regression

07/18/17

Is ANOVA table a must for showing moderation effect, while using Hierarchical multiple regression?

I forgot to put AVOVA table in my thesis paper. Now I want to know, Is there any way to defend? I explained moderation effect by model summary table and coefficiency table.

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Regression Stata

05/28/17

By how many units should NOx decrease to increase the mean housing Price by $10,000?

. reg price nox dist rooms stratio radial Source | SS df MS Number of obs = 506-------------+---------------------------------- F(5, 500) = 163.14 Model | 2.6551e+10 5 5.3101e+09 Prob > F =... more

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Regression

05/11/17

ARe simple linear regressions robust enough to not be affected by non normality in a small sample, n=89

Are simple linear regressions robust enough to not be affected by non normality in a small sample, n=89? I am being challenged by a journal reviewer on my use of simple regression. For my study... more

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Regression

05/10/17

Regression y=ax

http://imgur.com/WE2iSpq (table)PleaseIn table values using the least squares method. Obtain the regression line in the form y = ax. Answer y=3.418x

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Regression

02/05/16

Help please with regression question

Can someone please help me with this regression question. I just dont understand. We just did a project over this and I know how to get the regression equation that was given below and i know how... more

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Regression Multiple Year

07/13/15

How to do multiple regression using 30 banks' 7 years data?

I want to find out the determinants of ceo compensation of banks. For this I will be using 7 or 8 independent variables, the data for which has to be taken of 7 years from 30 banks. How do I do it... more

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Regression

06/14/15

) Use the linear regression model to predict the death rate due to heart disease if 5% of people smoke cigarettes

) Use the linear regression model to predict the death rate due to heart disease if 5% of people smoke cigarettes 14.08p-53.87 is the equation I got

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Regression Statistics Coefficient Correlation

03/04/15

Correlation and regression coefficient

Hi, Does correlation coefficient decide regression coefficient? For example, if I'm trying to figure out the relationship between hours exercising and GPA between male and female students.... more

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Regression Algebra 1 Algebra 2 Word Problems

07/29/14

A super hero leaps from a building to capture a villain the data from his leap is shown below

Time(seconds) .75 | 1.5 | 2 | 2.25 | 2.75 | 3.5 Height(feet) 108 | 119 | 116| 112 | 97 | 59 1. What type of function best models this... more

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