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I am confused what you mean by this.

"Well don't put them into the model as dummies - put them in as a categorical so you have control. " What is the difference between a dummy variable and a categorical variable?
Dear Lazar

I hope you are well, I am trying to do Multi group comparisons using Lisrel but I keep receiving the following error, Can you kindly assist.

W_A_R_N_I_N_G: Matrix to be analyzed is not positive definite,
ridge option taken with ridge constant = 10.000
I thank you Dason,

I have like this in the rmse formula .....(yi-xi)^2
yi=?
xi=?
if we have the xi estimator for example i/n
what about:
yi=? probability p or frequency or f(v) or F(v) ???????
have you an example plz?
plz i want an example how calculate rmse to compare methods to analyze wind speed
Dason
Dason
Take your wind speed then calculate the root mean square error based on it. Boom and you're doing
How to include dummy variable into regression model of time series -Monthly based using SPSS , ex. Yt=b0+B1t +B2M2 +......+M12M12 + B13 CNT *Yt + e Plz give me an example using SPSS
Hi everyone.
I'm studying statistics and computer science in Burkina Faso.
I'm so glad to join this wonderful community.
Hope I'll learn more with you.
Thanks
@
@hello
Hi, I'm a student from the NL and since you're studying stats, I was wondering if you could help me on some questions that one of my teacher gave me to help me to study for my exam.
Thanks for your time
a) A medical shop in a city has three employees A, B and C, who fill 32%, 28% and 40%
of the total orders respectively. While filling, the employees A, B and C make mistakes
in 6%, 5% and 3% of the total orders respectively.
(i) Find the probability that a mistake is made in filling an order. (2 marks)
(ii) If a mistake is made in an order, find the probability that the order was filled by
employee C.
Dr. med. dent. Sebastian Machon beschäftigt sich intensiv mit dem Gebiet der ganzheitlichen Zahnmedizin, insbesondere Materialverträglichkeit steht für Ihn an oberster Stelle. Seine Behandlungsschwerpunkte liegen bei ästhetischen vollkeramischen Versorgungen und gesunde schöne Zähne.
Hey everyone, I'm trying to run some logistic regressions in pspp, but I keep getting NaNs. I've tried running frequencies to check for errors, and have found nothing.
Any suggestions? Is there a way I can post a screenshot or the pdf?
Thanks
Dason
Dason
Make a thread. You could attach either to your post
Hello everyone, I am facing some problems concerning my data normality of my dependent variable, my results are contradicted and I couldn't make my conclusion. Which criteria should I based for to say if the data is normally distributed or not ?
Thank you in advance
A
atn
first you can do visual examination and then you can do statistical test for normality assumptions (Kolmogorov-Smirnov test, Shapiro-Wilk's test)
Likes: Amina
A
Amina
Thank you Sir, I really appreciate it
Hello there!
could you help me to show or explain how to run this formula in Spss step by step? Thank you in advance.
My background of Statistic is not good :(

****
Munificence to be obtained by:
a. Regressing time against sales of industry over the previous 10 years
of period and;

b.Taking the ratio of the regression slope coefficient to the mean value of sales over the same period.
****
Can you help me with stats and probability.
State whether the following are true or false and give a brief explanation. Explain true/false answer
i. Skewness of a distribution cannot be determined from a boxplot.
ii. For any event A, it is possible for P(A) + P(Ac
) < 1, where Ac denotes
the complement set.
iii. A standardised normal random variable has a standard deviation equal to