How Can I show this using caucy inequality?

To better see This question you can See here: https://stats.stackexchange.com/questions/321445/how-do-i-show-this-using-the-cauchy-schwarz-inequality I asked it there. there is a good answer there...

01 February 2018 5,992 1 View

Why using leave out idea in problems?

I'm not sure why sometimes in problems leave out version of estimators uses. for example when we want standard the data instead of dividing numbers on whole of the sample's standard deviation,...

01 February 2018 4,471 4 View

How to simulate high dimensional tests like articles.

I have studying two sample tests on high dimensional datasets. I have a problem with simulating this test with changing \eta like what is in Feng and Sun article page 33 linked below.Any help will...

05 June 2017 6,073 0 View

What is the conceptual difference between truncated and censored data?

01 February 2017 6,307 0 View

Any source for Behrens-Fisher setting Definition?

Hi!I should Say I know what Behrens-Fisher Setting is, But I need a source (book, article or etc.) that contains a definition of Behrens-Fisher setting to make a reference to it in my thesis.any...

10 November 2016 8,213 1 View

Obtain lasso regression coeficient based LS when X'X = I

I need to obtain coefficients of lasso regression based in coefficients of Least Square regression method when $X'X = I $. any help will be appreciated.

03 April 2016 1,984 1 View

Is there any faster algorithm for Gassian blur?

02 March 2015 9,972 6 View

What is the Best Database Structure for Big Data?

02 March 2015 8,110 9 View

Sampling in twitter

I want to do a research just for fun! I need to sampling in twitter! What I need is a method to do find random account in twitter with equal chance of selection. Has anyone any suggestion to doing...

08 September 2014 1,066 2 View

How can I determine pilot sampling size?

I have a population size 450 and I want to do a pilot survey. How can I determine pilot sampling size?

03 April 2014 3,056 5 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View