How can I remove the heteroscedasticity from a fixed-effect panel multiple regression?

More Mumtaheena Anwar's questions See All

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

What is impact of sampling frequency on deep learning?

Greetings, everyone. I am a bit curious to know how the sampling frequency of the device that captures the physiological signals impact the deep learning process. For example, if a device abc...

03 February 2021 379 4 View

Why sometimes current- voltage plot in chemiresistors/ FET does not pass through the origin?

I am trying to measure resistance from I-V curve from a chemiresistor/ FET sensor with a keithly sourcemeter. The substrate is soaked/ wet with protein and phosphate buffer only. But the I-V line...

24 January 2021 8,009 3 View

How to interact with internal memory of FPGA and connect it a signal or array inside a module?

I am trying to implement a processor tile on FPGA using vivado but it is taking too long to synthesize design due to large amount of Instruction and Data Memory. Currently, I have put complete...

05 January 2021 8,349 1 View

Is the globalization concept under threat by the effect of Covid-19?

Is the globalization concept under threat by the effect of Covid-19? Because Nobody knows how long the COVID-19 epidemic will last. People around the world may have to wait until a vaccine is...

02 January 2021 8,155 1 View

Upto how much %age of phase can be visible as peak in XRD?

When we do XRD analysis, high intensity peaks are obtained. But there are some very small peaks too which seem to be negligible. Some phases are confirmed from SAED pattern on the basis of...

01 January 2021 3,727 2 View

If i want to use annual time series data, but the number of observations are less then requirement, so i can convert data in quarters?

27 December 2020 7,304 19 View

My customized ink is pulsating but not jetting out of cartridge nozzle of Dimatix2831 inkjet printer, droplets just seem to hang from the nozzle. Why?

I am having trouble printing with the Dimatix 2831 inkjet printer. The nozzles seem to be pulsating but they are not jetting, the droplets just seem to be hanging from the nozzles. What could be...

23 November 2020 9,136 6 View

How to apply regression analysis in a study where the effect of weight , BMI, fat mas and insulin resistance is seen on nerve conduction velocity?

I want to apply regression analysis using SPSS. Kindly help as to how to apply the regression model in the study where i have recorded Weight, BMI, Total body fat mass, insulin resistance and...

14 November 2020 4,797 6 View

2. Does cooling of the forearm affect the heart rate, or the time interval between the R wave and the peak of the pulse wave?

1. Does cooling of the forearm affect the heart rate, or the time interval between the R wave and the peak of the pulse wave?

22 October 2020 9,799 2 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View