Non Normal Data For Classification Models?

Normality is very essential for Linear models specially for the independent variables. However during one of the projects i had one of the stakeholders ask if for binary classifiers or...

03 April 2018 5,035 1 View

Why to use Bootstrap Sampling?

HI All, I am trying to learn more about Bootstrap Sampling. This is one of the technique used in Random Forest algorithm for example and many other places in statistics. What and why would this...

10 November 2017 6,214 0 View

Modeling With 100+ Predictor ?

08 September 2017 7,212 3 View

Statistical Analysis To Predict IT ticket Queue?

08 September 2017 2,046 3 View

Missing Value In A Classification Model?

04 May 2017 7,793 4 View

Reading Multiple Files for Text Mining in R Using TM Package?

02 March 2017 3,465 3 View

Random Forrest for Predicting Sales Prices?

08 September 2016 4,665 6 View

When to Use Hosmer-Lemeshow Goodness of Fit or Kolmogorov-Smirnov Test?

07 August 2016 1,156 5 View

Difference between VIF & WOE/ IV?

07 August 2016 9,138 4 View

Error: <0 rows> (or 0-length row.names) in R ?

07 August 2016 4,748 4 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

Data Analysis K-S and S-W tests?

Hello, I have conducted analysis where the K-W and S-W have come out as p

25 February 2021 9,648 3 View