How to report an OR when continuous data are log-transformed for logistic regression?

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How do you feel about social exclusion in transport within South Africa?

Research being conducted by Stellenbosch University would like your opinion about the effects of social exclusion on emerging urban mobility options and traditional public transport services. By...

21 July 2024 4,032 0 View

Calculating the injection volume for a mouse?

I will be administering 5-fluorouracil at a dosage of 50 mg/kg to mice as an I/P injection. Will someone please check my calculation? (Mw: 130.078 g/mol) Max volume to be administered to mice I/P...

23 June 2024 3,847 1 View

Finding Survey Participants?

Dear Survey Experts, I am currently researching trust and resilience in the supply chain and seeking efficient ways to find survey respondents. In addition to social media and business...

21 June 2024 395 2 View

How to interpret meta-analysis of incidence rates?

Hi! I have a question. I was looking into the research question: does mohs micrographic surgery give less recurrences and metastasis than standard excision in the treatment of cuteanous squamous...

17 June 2024 7,769 5 View

How to functionalise the surface of a PMMA microparticle with amines?

I have porous PMMA microparticles up to 1mm in diameter. I would like to functionalise the surface with amines whilst keeping the particles intact. Chat GTP has recommended ethanolamine or ATPES...

13 June 2024 7,977 1 View

How to avoid metal contamination from a sonicator?

Hi, I have been using a Q-Sonica Q500 Sonicator to disperse samples on nanocellulose and make emulsions. I have notices black dust like particulates settling out in some samples and on the bottom...

12 June 2024 9,737 6 View

How to calculate the conversion of random copolymerization mixture?

I'm working on the RAFT copolymerization of MPC and NIPAm monomer, but I'm not sure how to calculate the total conversion from proton NMR? Is it an average of conversions of two monomers or just...

10 June 2024 7,430 2 View

Can I or you add publications to the page of Adri Jacobs?

Dear ResearchGate, I came across the ResearchGate page of Adri Jacobs, who passed away in 2010. This page contains 25 publication of Adri mainly from the period 2000-2008. One paper (2011) must...

01 June 2024 8,763 1 View

Lifestyles and correlations in cultural tourism?

I am looking for resources in the Netherlands regarding cultural tourism. So what cultural activities correlate, and what lifestyles can be distinguished. Any resource is welcome, articles, factor...

27 May 2024 447 2 View

How do I get rid of the background signal using the Bio-Rad Quantity One?

I've coated plastic water bottles (PET) with Nile Red to detect the plastic degradation by Ideonella sakaiensis. When using the settings for Sypro Ruby, the coated and uncoated plastic looks the...

23 May 2024 3,364 0 View

MAGeCK Plotting Error: Logarithmic Axis Must Have Positive Limits?

I have been running a MAGeCK test command on the terminal for a CRISPR screen to rank sgRNAs and genes based on the read count tables. However, I get only the plot of the top-ranked genes...

28 July 2024 9,811 1 View

How can I log transform a series with negative values?

Hi all, I am facing a challenge with transforming some variables for logarithmic analysis in my ARDL model. These variables contain negative values, which complicates standard logarithmic...

07 July 2024 8,741 13 View

How to calculate sensitivity, LoD and LoQ from a DPV plot of peak current against logarithm of concentration?

In some electrochemistry research papers, the result obtained from a differential pulse voltammetry (DPV) technique is presented in peak current vs. log(concentration) plot. in such cases, how to...

04 May 2024 9,605 2 View

Exponential and Logarithm of Bounded Linear Operators Books?

Please, I need books about Exponential and Logarithm of Linear Operators.

11 February 2024 7,540 0 View

What's the best way to normalize right skewed data?

Hi everyone, I need to ran a multiple linear regression model to predict a right (or negatively) skewed (tail to the left) outcome variable. I understand ln(x+a) would be appropiate for...

13 September 2023 5,475 0 View

Can anyone tell how to plot frequency response in logarithmic plot in apdl ?

I am performing a harmonic modal analysis in apdl of a roto bearing system.so I want to plot the frequency response plot in a logarithmic scale.

21 August 2023 1,901 0 View

How to perform a 4 parameter logistic equation for ELISA?

I have measured Irisin levels in plasma and now I'm trying to analyze the results. As far as I have read, I need to perform a 4 parameter logistic regression, should I use logarithm for...

21 August 2023 461 4 View

Have anyone met with unusual bacterial RNA bands?

Strain: Sphingomonas, Gram negative The organisms were harvested during the logarithmic growth period and centrifuged at low temperature to remove the medium.Extraction of RNA revealed bands of...

13 August 2023 1,414 2 View

Can I model variables that are not stationary even with differencing and logarithmic transformation?

I have four variables measured for eleven years and transformed into a logarithmic form to calculate demand elasticities. The variables are nonstationary at level or 1st and 2nd differences. Is...

11 July 2023 7,573 6 View

Can I change the effect size in SPSS from a logarithmic scale to a non-logarithmic scale?

Hey there, I‘m using SPSS for the statistical synthesis of my Meta-Analysis and I can only choose log(OR), log(RR) etc as an Effect sizes. Therefore my forest plot is also on a logarithmic scale…...

19 June 2023 8,478 2 View