Online Shopping Security Survey?

I would appreciate if you answer my DBA research questionnaire. Thank you all in...

10 February 2021 1,990 3 View

Suggestions for a Western Blot Analysis of FAT1. Are there 1Kd Protein ladders?

Good afternoon, I am running a Western Blot Analysis of a FAT1 gene knockout that I established in an epithelial cell line. I have performed the Western Blot once, using a gradient gel. However,...

08 October 2019 9,565 3 View

How to test for mediator when I have a binary outcome?

I have a longitudinal data on employee's age (continuous), whether they left the company or not (binary), and 3 year's performance rating (on a 5-point scale). However, not many employees have all...

24 July 2018 8,664 5 View

Doxorubicin staining in cytoplasm. Any help on how to eliminate the cytoplasm staining?

17 May 2016 4,907 2 View

What is the suitable culture condition for culturing cryopreserved PBMCs for 2-3days to obtain maximal viability rate using flow cytometry?

I have been trying to culture cryopreserved PBMCs, but PBMCs with just media alone (after 48 hours) were giving me very low viability rate when acquired on a flow cytometry. The viability rate...

10 May 2015 6,353 18 View

Why can't a statistical test of significance (inferential analysis) be applied to a population?

Or can it be?

23 March 2014 120 13 View

Are the quotients of 1/0 and 0/0 the same?

Their quotients in the calculator are both "error". Math books show they are both infinity.

22 March 2014 5,978 67 View

What sampling designs and formulae are commonly discussed in research/ statistics books?

Are these applied by students in their research works?

07 February 2014 6,677 2 View

Is there any study available containing the results of the validity test of its data-collection instrument?

Or is there any study that measures the validity of a questionnaire?

09 January 2014 4,871 2 View

Preparation of MacConkey + 1.0mg/L cefotaxime

Hey guys, I need to prepare 400 mL MacConkey + 1.0 mg/L cefotaxime. However, I don't know how to make the stock solution for this antibiotics. Can someone help? Thanks

01 January 1970 3,773 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 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 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

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View