There is an option for including a constant in time series analysis in GRETL. Practically, why and when is it used for?
In Turkey, there is such a system of payment (awarding) for supporting researches published in some of the SCI/SSCI indexed journals. See the attachment. I would be happy to hear if there is such...
02 March 2014 7,427 37 View
The software should not be a trial version. It should be proprietary software and its full features should be freely available for use in academic institutions. For instance, I know of a program...
11 December 2013 3,422 6 View
When and why to choose unrestricted, restricted constant, or other options in that combobox? There is such a combobox option for selecting unrestricted and restricted constant in GRETL. From the...
11 December 2013 3,628 2 View
Gasoline and diesel fuel prices are high in many countries. For instance, in Turkey, the 97-octane gasoline is 2.45 US dollar per liter. The Euro-Diesel fuel is 2.23 US dollar per liter. 1 liter...
11 December 2013 6,155 15 View
My data has only 3 columns. These columns are year_2012, year_2010, year_2007. These columns are about measurements performed in various years (2012, 2010, 2007). Rows are countries (~150...
11 December 2013 2,563 4 View
My data consist of two sets. First set has 6 numerical variables (columns) and the second set has 16 numerical variables (columns). These two sets have ~150 rows. Any suggestions?
10 November 2013 3,285 14 View
Fully automated container terminals are utilizing only unmanned terminal vehicles and using automatic stacking (AS) and retrieval systems (RS) for container storage, and many other automated...
10 November 2013 5,651 12 View
My purpose for using factor analysis is to obtain a small number of factors, which account for most of the variability in the 117 variables. I have extracted 16 factors. These 16 factors have...
10 November 2013 2,528 1 View
In some cases, I encountered different results from some normality tests. For instance, in one of my samples, Shapiro–Wilk normality test indicated that my data varies significantly from a normal...
10 November 2013 6,762 15 View
In my model, I experience a multicollinearity problem in least squares estimation. Therefore, I decided to use the ridge regression method. I examined the variance inflation factors (VIFs). In...
10 November 2013 3,224 4 View
I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.
11 August 2024 9,101 4 View
I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?
11 August 2024 5,138 1 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...
10 August 2024 7,180 0 View
I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...
10 August 2024 7,429 2 View
How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?
09 August 2024 7,718 0 View
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.
07 August 2024 5,307 1 View
Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...
07 August 2024 8,106 4 View
Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...
06 August 2024 1,989 3 View