23 November 2022 1 7K Report

How to plot Approximate entropy, Permutation entropy, and sensitivity analysis for a chaotic map to check their randomness behavior and complexity. I tried to code these tests but couldn't get a good result. If anyone helps me, it will be helpful to me.

More Vivek Verma's questions See All
Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 3 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

Which kind of validity should e established in case we want to conduct a survey using newly developed survey questionnaire?

I am conducting a survey using self developed questionnaire. I have established its face validity and content validity. Some expert reviewer has suggested I must establish the validity by...

11 February 2021 2,077 3 View

How to convert all .csv file to grayscale image and then save them?

I have a database of experiment .csv files. how to extract the feature from this .CSV file with max-min normalization? I need a matrix(with values between 0 to 255) to be converted to a grayscale...

04 February 2021 7,773 3 View

How to estimate the extent to which the FE domain should be meshed with explicit elements in Explicit-Implicit Time integration procedure?

I am developing a MATLAB code for shock problem and want to divide the FE domain into explicit and implicit elements (region of domain at vicinity to shock is meshed into explicit elements and...

15 January 2021 1,968 2 View

How to adjust a covariate in meta-analysis?

Suppose I am meta-analyzing proportions using their logit transformations. We did a meta-regression of the covariates age, gender, and disease severity score in studies and get respective beta...

11 January 2021 9,409 4 View

How to calculate width and length of the tapered microstrip line feed of a SIW leaky wave antenna?

With reference to substrate integrated waveguide -leaky wave antenna

26 December 2020 3,982 2 View

Is it possible that first waiting time decreases and then after a certain point waiting time start increasing?

The sevice rate is fixed and the arrival rate is changing. As I am plotting the graph of arrival rate with respect to waiting time in queue.

22 December 2020 2,455 1 View

Sample does no retain in the well while doing NATIVE Gel electrophoresis?

While doing NATIVE-Gel electrophoresis with electrophoresis buffer containing 25mM Tris, 192 mM glycine, and rest water if the sample being loaded is dissolved in methanol it won't remain in the...

15 December 2020 4,999 3 View

How to identify and quantify glauconite and illite/other mica present in same sample from XRD analysis?

In glauconite bearing sand stone sample other mica group minerals(illite, muscovite etc.) are also present. I want to quantify the amount of glauconite and othermica group minerals. How, I can...

10 December 2020 5,793 19 View

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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

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

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03 March 2021 9,692 2 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

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 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

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