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Questions related from Srikanth Potharla
dear all, How to understand the difference between OLS regression and Quantile Regression more intuitively without referring to mathematical notations and theorems. thanks in advance
02 February 2020 2,903 3 View
I have a dataset of unbalanced panel where in time period is 8 years but, the data is not available for completely 8 years for all the variables for all the companies. so the final sample size is...
03 March 2019 7,368 2 View
the sample of my data is 100 and i have 6 independent variables in the model. My dependent variable is dichotomous event. is it right to apply logit model in this case? thanks in advance
02 February 2019 6,449 2 View
I am running ANN for the analysis of my data. Even I use the same architecture and same features, i am getting different results, every time a run the model. does it happen with ANN? OR there...
01 January 2019 7,122 2 View
What should be the right null Hypothesis of ANOVA? 1. No difference between the means of the groups; or 2. No difference between the variance s of the groups Thanks in advance
11 November 2018 3,297 9 View
i am runing an instrumental variable regression. Eviews is providing two different models for instrumetenal variables i.e., two-stage least squares and generalized method of moments. how to...
09 September 2018 2,420 5 View
i run 2stage least-squares regression with instrumental variables. i got negative R-squared value of -23.416 which does not make any sense in interpretation. However, the f-statistic of the...
09 September 2018 5,455 7 View
I am conducting Kruskal wallis test for testing the difference in the opinion of the respondents(measured on ordinal scale) belonging to three different groups. one group has sample size of 50,...
08 August 2018 2,001 9 View
i run markov regime switching model and I got negative value for the coefficient of transition matrix parameter. How to interpret it. thanks in advance
08 August 2018 9,573 1 View
i referred the annual reports of the Indian companeis, which are known to follow Human resource accounting. But, no information is given about Human resources in their balance sheets. where...
06 June 2018 9,629 8 View
i estimated the values of a variable by using AR model and after etimation of the coefficients, i made the forecasting of the sereis for out of the sample period. the graph has three lines. one...
06 June 2018 7,658 4 View
VECM output generated by eviews contains the coefficient/SE, t-statistic and 'prob' for error correction term and first differenced lagged values of the endogenous variables. the purpose of VECM...
06 June 2018 9,782 1 View
what is the purpose of J-statistc and how to compute it? why do we use the difference between the J-statistic of restricted and unrestricted model as a diagnostic measure of endogeneity test....
06 June 2018 8,525 2 View
In my regressional analysis(2stage least sqaures),I got negative R-squared along with Significant F-statistic. As I know, when R-squared value is very low, zero or negative, F-statistic will be...
06 June 2018 1,013 4 View
For my econometric assignment, I have to run Sargan test for the instrumental variable regression. what is the purpose of Sargan test? I could not understand it clearly. How to perform the...
06 June 2018 2,933 3 View
i estimated Autoregressive model in eview. I got parameter estimation for one additional variabel which i have not included in the model. the variable is labelled as ' SIGMASQ '. what is that...
06 June 2018 8,644 4 View
I am planning to do reserach on the impact of oil prices on the economic integration of the stocks markets in BRICS countries. i would like to work along with the learned researchers from the...
05 May 2018 3,997 1 View
How to test nomological validity using AMOS Thanks in advance
05 May 2018 6,633 0 View
what are the real-life applications of stock or index futures?
03 March 2018 4,334 4 View
can anybody suggest best international standard text books on business valuation? thanks in advance
02 February 2018 7,942 12 View
how to explain diamond water paradox in simple language?
02 February 2018 712 13 View
there are many definitions on the term "accounting" which are quotes in text books,articles and research papers. what is the most widely accepted definition of Accounting?
01 January 2018 6,221 0 View
when i run the panel data regression with cross-section weights, in the eviews output, the method is shown as panel EGLS method (cross-section weights) what does panel EGLS method of regression...
01 January 2018 7,147 5 View
how is the Error degrees of freedom calcuated for Hotelling's Trace statistic? thanks in advance
01 January 2018 9,303 1 View
is there any brief graphical explanation likfe flow chart in selecting the right measure of central tendency? thanks in advance
01 January 2018 1,069 4 View
Is there any relationship between Skewness and Kurtosis? if so, what is the nature of relationship?
01 January 2018 6,777 4 View
how to explain the Kurtosis more intuitively without using the technical jargon. In other words, how to make a non-statistics person to easily understand the concept of kurtosis? How the...
01 January 2018 9,726 22 View
Does SPSS report only the excess kurtosis i.e., calculated value in excess of 3 or the exact value? thanks in advance
01 January 2018 5,793 11 View
can you provide some examples of the areas in which Harmonic Mean is applied? thanks in advance
01 January 2018 6,183 6 View
for an hypothetical example, i got skewness valueof zero and kurtosis -1.20. what does negative value of kurtosis mean? How to interpret the results?
01 January 2018 4,034 14 View
what is the reason behind the use of reciprocal values in Harmonic mean? Can you please explain it in simple language without much technical stuff? thanks in advance
01 January 2018 522 3 View
can we make a generalized statement that 1. Arithmetic Mean is always more than geometric mean and harmonic mean? 2. Harmonic mean is always lower than arithmetic mean and geometric mean? if so,...
01 January 2018 9,188 12 View
I run panel data regression with cross-sectional fixed effects. After generating the regression results, i also dervied cross-sectional fixed effects for all the companies which are included in...
01 January 2018 2,576 4 View
I need a graphical presentation or simple conceptual presentation of the type of varaible and measurement scale in a comprehensive manner. I could understand clearly all the terms like...
01 January 2018 9,768 3 View
i run a regression model with four independent variables. the impact of all the variables is insignificant. But, the R-squared value is 0.79 and F-statistic is significant. what could be the...
01 January 2018 2,125 6 View
what are the international standard best text books on Financial Accounting? thanks in advance
12 December 2017 3,724 7 View
can you please suggest international standard refererence text books on Management Accounting?
12 December 2017 2,549 7 View
can anybody suggest a few ABDC listed Accounting Journals, which have zero processing and publication fee and publish the articles in short period of time(not more than six months). thanks in advance
12 December 2017 8,252 9 View
how to understand the fundamental concept of Bayesian Statistics intuitively without using mathematical equations etc.,? how does it differ from traditional frequentist statistics?
12 December 2017 8,577 6 View
what is the best possibe first aid treatment for snake bite, especially for cobra snake in India. are there any specialized medical institutions in India which are engaged in the research and...
12 December 2017 8,325 0 View
Many times, statistical software report 'p' value of 0.000. How to interpret it. does it mean that the impact of the respective variable is absolutely signficant? or is there any statistical...
12 December 2017 9,114 46 View
I run 2SLS regression on the cross-sectional data of 531 observations. the F-statistic of the model is significant. the residuals of the regression are homoscedastic, but they are not normally...
12 December 2017 4,718 7 View
In th context of regression analysis, what is the difference between endogeneous and exogeneous variables.
12 December 2017 4,594 10 View
can we apply discriminant analysis where the size of the groups is unequal?
12 December 2017 6,935 1 View
how to understand the difference between cluster samplying and stratified sampling? can anybody explain it with a simple illustration. thanks in advance
12 December 2017 3,024 8 View
what are the properties of instrumental variable regression and when do we say that instrumental variables are weak? thanks in advance
12 December 2017 4,757 4 View
in 2SLS regression, what is the purpose of instrument orthogonality test?
12 December 2017 5,898 1 View
can anybody suggest standard text books on research methodology for business and social sciences written by internationally renowned authors?
12 December 2017 2,587 6 View
How to split SPSS data file into different parts with equal size? split file option in SPSS requires split variable. I do not have any split variable. But i want to divide my data into 10 equal...
12 December 2017 4,480 5 View
how to get discriminant loadings in multiple discriminant analysis by using SPSS? SPSS is reporting canonical discrimant function coefficient. Are these refer to discriminant loadings ? what is...
12 December 2017 2,497 3 View
In regression analysis, we derive 't' statistic for each predictor variable. In the same way, is it possible to compute cohen's d for each predictor variable to test effect size of each of the...
12 December 2017 4,886 4 View
what is nomological validity? can anybody explain it in detail? thanks in advance
12 December 2017 10,036 7 View
what is the conceptual difference between independent sample 't' test statistic and cohen's d? thanks in advance
12 December 2017 1,373 3 View
Does Hypothesis always state the relationship between two variables?. Can a simple positive or negative statement not be called 'Hypothesis'? eg. it is assumed that "the performance of company X...
12 December 2017 4,495 5 View
I am running OLS regression with one dependent variable and three predictor variabels. All the variables in the regression model have shown significant impact on the DV. I have a very large...
12 December 2017 4,751 3 View
i am applying instrumental variable regression for my research work. How to do it in eviews.
12 December 2017 3,730 3 View
How to explain the phenomenon of increase in price a commodity in the period of three generations, in a simple and layman’s language. For example, When my grandfather was in his childhood, we...
12 December 2017 8,727 7 View
can anybody suggest a standard text which presents all the sampling techniques more comprehensively in a lucid manner? thanks in advance
12 December 2017 412 4 View
we are planning to issue a call for paper on Financial Accounting Research for an ISBN book. we have to mention the broad areas of research in Financial Acounting. Can anybody suggest the...
11 November 2017 9,274 20 View
i have a data of customer responses measured on likert scale with respect to some service of the bank. customers are divided into two groups viz., current account customers and saving bank...
10 October 2017 2,946 6 View
I have a data of year-wise deposits of 10 banks for 10 years. there is a trend in the data over the period of 10 years. i want to test whether there is any signficant difference across the ten...
10 October 2017 1,058 1 View
can we use standardized estimates for the interpretation of the results of regression analysis, even if all the indepedent variabes have same measurement scale? in my regression analysis, though,...
10 October 2017 6,362 4 View
i run the regression on the cross-sectional data. i have three different model and i want to compare the residuals obtained in the three model. Can I compute RMSE,MAE etc., ? thanks in advance
10 October 2017 2,598 1 View
I have a data of two time series variables. Both of them have trend. I want to test whether the two variables are correlated. what is the appropriate correlation measure for such type of data?
10 October 2017 755 5 View
I have a data on the sales of two companies for 10 years and there is continuous growht in the sales for the 10 years in both the companies. I want to test whether there is any significant...
10 October 2017 2,860 3 View
i have the data of 10 companies profits and revenues for last 10 years. I want to test whether there is any significant difference between those 10 companeis in terms of revenues and profits. I...
08 August 2017 1,895 8 View
I run structural equal modelling. some of the measured items and dependent constructs have got R-squared value of more than one 1. As I know R-squared value indicate the percentage of variations...
08 August 2017 6,258 12 View
My research topic is to analyse the perceptions of tax payers on the new indirect tax introduced by the government. i want to apply cluster sampling. i have the data of tax payers in the...
08 August 2017 8,498 3 View
the CFA results shows positve correlation between the two constructs, but the SEM results show negative relationship(negative value of regression estimate) between the same two constructs. what...
08 August 2017 6,519 7 View
I run two-layer measurement model, a sub-construct has 6 measured items. one item has standardized estimate of 0.754 amd R-squared value is 0.568. based on standardized estimate the weigtage of...
08 August 2017 7,803 3 View
I have two layer measurement model (i.e, main construct - subconstruct -measured items) with three main constructs and four to three sub-constructs for each main construct. Again the subconstructs...
08 August 2017 379 4 View
Structural equation modelling provides the estimates of the parameters and their statistical significant and also the R-sqaured value for each depdent variable used in the model. apart from this,...
08 August 2017 7,409 3 View
what is the conceptual difference between Durbin-Watson test and Jarque-Bera test? what are the applicabillities of the two tests?
08 August 2017 3,188 4 View
is it legal to upload the abstracts of my published papers in the researchersgate without the permission of the concerned journals? please clarify my doubt.
07 July 2017 6,331 8 View
chaos theory and efficient market hypothesis are two polarized theories. In the light of this, how do you study both the theories together in your project.
01 January 1970 8,977 1 View
