durbin watson

  1. R

    Test Durbin Watson(error independence)

    Hello, I am solving an example of Design of experiments of a variable (DCA). It turns out that, on having applied logarithmic transformations, durbin watson throws a similar value, being the different graph library(lmtest) tb = data.frame("treat" = factor(x = c(rep(1:5, c(4,4,4,4,4)), labels...
  2. P

    Interpreation of tests for autocorrelation

    Within my sample, I have different financing round (about 300) of several companies (about 200) between 2010 and 2017. To control for the time the company exists, I have included the variable "age" (in number of years - with comma values depending on the month, e.g. 3.5 for three and a half...
  3. T

    Independence of cases (observations)

    Dear all, I am currently analyzing the effects several independent variables have on dependant variable (political party's position on immigration, to be more specific). As the cases (observations) here are political parties - the number of them is very limited (in fact, I have only 21 party...
  4. R

    Durbin Watson related with outliers?

    I am trying to run a multiple regression with a sample data belongs to a cohort of 500 subjects. My dependant variable is a psychological score (scale), independant variables are age(scale), sex(nominal) and education(scale). I run the test and Durbin-Watson was 1.99 which is good but I had 2...
  5. F

    Durbin-Watson of 1.97

    Hi there, I ran the Durbin-Watson test for my dataset. n = 744 (sample), k = 9 (variables) My result is a DW of 1.97. SPSS does not show upper and lower d in the results section, which means: I do not know if there is evidence of no autocorrelation. How can I interpret this result...