How to specify random effects in mixed model using lmer ?

Mixed model with lme4 , which model to choose consider our experiment ? A clinical trial was carried out to assess effect of a drug X on serum progesterone in cattle. A total of 24 animals were...

07 August 2018 4,087 0 View

Mixed model with lme4 , which model to choose consider our experiment ?

A clinical trial was carried out to assess effect of a drug X on serum progesterone in cattle. A total of 24 animals were divided into three equal groups . The animals in first group served as...

07 August 2018 6,872 0 View

How to interpret output of zero inflated and hurdle models in R ?

Please find attached data and R code and if possible guide me in interpretation of output . regards

04 May 2015 8,279 0 View

Are you familiar with the interpretation of time series analysis in R?

03 April 2015 5,588 2 View

What is the best method to carry out repeated measures MANOVA?

Testicular volume & scrotal circumference of twelve bulls were measured repeatedly. The bulls were divided into two categories (young versus old). We are interested in investigating the effect...

08 September 2014 9,895 3 View

How does one save raster as geotiff and later on convert it into grid format?

How does one save raster as geotiff and later on convert it into grid format?

07 August 2014 4,800 8 View

Can anyone answer some questions regarding the recording of categories for binary logistic regression analysis?

1) Is allowed to delete outliers from dependent numeric variables for binary logistic regression analysis.2) I have a nominal variable with five categories (with codes 2, 6, 10, 13, 14). Category...

07 August 2014 3,995 7 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

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

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View