Search found 14 matches

by jnkfoune
Fri Sep 14, 2012 8:30 pm
Forum: Econometric Discussions
Topic: White's estimator equation
Replies: 0
Views: 2270

White's estimator equation

Hello! I am running the White's heteroscedastic-consistant estimator in a simple linear regression Y= a+bX X being a dummy variable. I wanted to know what equation is using White, I looked on the internet and have trouble understanding well, I am writing a paper and try to justify the use of White! ...
by jnkfoune
Thu Sep 06, 2012 6:58 pm
Forum: Data Manipulation
Topic: Choose confidence interval in linear regression
Replies: 3
Views: 6642

Re: Choose confidence interval in linear regression

Sorry, my mistake. Outputs are exactly the same, I did a mistake in my calculations.

Im ok now
by jnkfoune
Thu Sep 06, 2012 6:53 pm
Forum: Data Manipulation
Topic: Choose confidence interval in linear regression
Replies: 3
Views: 6642

Re: Choose confidence interval in linear regression

But the thing that mess me up is that building a linear regression on excel you can choose a confidence interval in the parameters and it actually give different outputs when confidence is either 95% or 90%. I wanted to know if there is a way to do the same on Eviews. Even if, according to me, all t...
by jnkfoune
Thu Sep 06, 2012 9:44 am
Forum: Data Manipulation
Topic: Choose confidence interval in linear regression
Replies: 3
Views: 6642

Choose confidence interval in linear regression

Hello,

I wanted to know if it is possible to choose the confidence interval (guessing that it is by default 95%) as it is possible on excel!

I would like to get a 90% confidence

Thank you for your help!
by jnkfoune
Sat Aug 25, 2012 7:47 pm
Forum: Econometric Discussions
Topic: OLS interpretation (with dummy variables
Replies: 0
Views: 2811

OLS interpretation (with dummy variables

Hello, I would request some help as I am trying to study the day of the week effect on a stock market and volatility and I ran an OLS with dummy variables (for each days) on daily returns but I can really interpret the results Variable Coefficient Std. Error t-Statistic Prob. WEEKDAY=1 -0.00022 0.00...
by jnkfoune
Wed Aug 22, 2012 8:12 am
Forum: Data Manipulation
Topic: Histogram and stats [with condition]
Replies: 4
Views: 5922

Re: Histogram and stats [with condition]

it seems to be working thank you!! :)
by jnkfoune
Wed Aug 22, 2012 7:55 am
Forum: Data Manipulation
Topic: Histogram and stats [with condition]
Replies: 4
Views: 5922

Re: Histogram and stats [with condition]

thank you for your reply,

How should i write the line code in the console, when I go through Quick>Histo and stats, it just ask me for the serie's name?
by jnkfoune
Wed Aug 22, 2012 4:37 am
Forum: Data Manipulation
Topic: Histogram and stats [with condition]
Replies: 4
Views: 5922

Histogram and stats [with condition]

Hello, I have imported data from excel, 1 column corresponding to some daily returns, and 5 other colums corresponding to dummy (1 or 0) corresponding to the day of the week of the daily return I could get the Histogram and stats of whole daily return (using the menu Quick>Serie Statistic>Histogram ...
by jnkfoune
Tue Aug 14, 2012 6:47 am
Forum: Data Manipulation
Topic: Delete rows with condition
Replies: 1
Views: 3667

Delete rows with condition

I would need to delete certain rows depending on the value of one column, I don't even know if it's possible with eviews I mean I would need something like : For each rows if dayweek=1 or dayweek=7 then delete row I am very new with eviews and have no idea of how to do this thank you for your help
by jnkfoune
Tue Aug 14, 2012 6:26 am
Forum: Data Manipulation
Topic: Importing data from excel, large amount of NA
Replies: 42
Views: 54121

Re: Importing data from excel, large amount of NA

Actually no, all the columns and values load NA except the date column) I also tried with another file containing just one column for date, one for weekday and one for the stock return and I have the same problem. I also tried from my 1st file to load starting after the 1st value NA (of the VIX colu...
by jnkfoune
Tue Aug 14, 2012 5:14 am
Forum: Data Manipulation
Topic: Importing data from excel, large amount of NA
Replies: 42
Views: 54121

Re: Importing data from excel, large amount of NA

Hello, I am trying to import data (daily stock returns) from an excel file by different ways as explained in this topic: http://forums.eviews.com/viewtopic.php?f=7&t=74 The result is that I get in the 1st column the date and for the 3 following columns I get NA (the 3 columns are numbers : weekd...
by jnkfoune
Mon Aug 13, 2012 8:23 am
Forum: Estimation
Topic: Garch "day of the week effect"
Replies: 5
Views: 11496

Re: Garch "day of the week effect"

I had just tried when you answered (I tried both "techniques" and realized on my own what did @expand) I guess that @droplast drops the Friday (which becomes the C variable right?) I will continue my research on dummy variable trap the the drop of the Friday as I still did not understand p...
by jnkfoune
Mon Aug 13, 2012 3:15 am
Forum: Estimation
Topic: Garch "day of the week effect"
Replies: 5
Views: 11496

Re: Garch "day of the week effect"

Thank you for your help, let me just ask you for one more detail, to make it clear for me :) in my workfile, in order to structure the week days part, I should get 5 columns filled by zeros and put 1 in the correct colum (corresponding with the right day) for each line? (I mean that if the return is...
by jnkfoune
Mon Aug 13, 2012 12:59 am
Forum: Estimation
Topic: Garch "day of the week effect"
Replies: 5
Views: 11496

Garch "day of the week effect"

Hello, I am really new with Eviews and I would need some help to run a Garch Model on market daily return series to study the Day of the Week effect (volatility is or not higher on Mondays). I am very in the rush and can't really spend much time on Eviews at the moment even though it look like very ...

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