What is the best mathematical method to smooth and calculate the acceleration of soccer players from 2D positional data (i.e. [x,y]) ?

More Luiz H Palucci Vieira's questions See All

Any updates of macroeconomic variables and energy modelling being tested in econometrics?

Are there new projects and studies considering recursive approaches, in energy transition and resources, being empirically tested with regression analysis and models?

14 April 2024 7,024 4 View

Mitosox in mitochondrial extract?

Hi everyone, I was wondering if someone has a protocol for using MitoSOX in mitochondrial-enriched extracts. MitoSOX can migrate to the nucleus and generate an inaccurate response about...

24 March 2024 466 0 View

Hi guys. How can I combine 4 groups to calculate the mean and SD of a total cohort of patients, in a systematic review and meta-analysis?

Hi guys. I'm working in a systematic review and meta-analysis. How can I combine 4 groups to calculate the mean and standard deviation of a total cohort of patients? I need to calculate the mean...

22 March 2024 6,344 3 View

In your opinion, which factors most affect the Implementation of new technologies in agribusiness (Or Agro 4.0))?

I'm starting my research on the relationship between agriculture and technology (or agro 4.0) and I would like help from the academic community to know which factors I should pay attention to.

16 November 2023 1,003 4 View

Visiting researcher in Portugal?

I am interested in staying for three months as a visiting researcher at an institution in Portugal. I am interested in the areas of environmental policy/instruments, environmental economics,...

09 October 2023 9,526 1 View

Fukushima Nuclear Accident: Where was ISHIKAWA?

KAORU ISHIKAWA was one of the leaders that made the Japhanese products be recognized worldwide for their excellence and quality. The Japanese TQC inspired companies to adopt its theories and...

11 July 2023 5,278 4 View

Does anyone know any measures of hopelessness other than BHS?

I'd like to know if there are other measures of hopelessness. As far as I know, there is only the Beck's Hopelessness Scale.

21 March 2023 5,476 3 View

Recommendations of software for calculating the water footprint of milk?

I would like to know the software options for water footprint calculations. What are the advantages and disadvantages of each software?

09 October 2022 1,959 1 View

How to do imunofluorescence in neurosphres?

Hi! I'm doing neurospheres from neonates. I have then in suspension, and I need to do immunofluorescence. I always look at beautiful pictures from google images and the neurospheres are in...

28 June 2022 5,502 0 View

Is it possible to use some other percentage (Expected) on Chi-square when you are going to calculate the expected number?

I'm working with birdstrike data, and I would like to run statistics to verify if the frequency of birdstrikes does follow the number of aircraft movements around specific airports. I have the...

12 April 2022 3,779 1 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

What are possible strategies can be used to analyze data under sequential explanatory mixed method approach?

Better ways to analyze the qualitative and quantitative data in a sequential explanatory mixed method approaches

04 August 2024 2,703 6 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

What should Berlin do as a city to become as impactful as London and Paris in World Football?

Please go through my Abstract. I can also share a proposed Thesis Outline.

04 August 2024 2,077 0 View

Why 3 replicates for most biological assays? Is it enough to examine the data fits normal distribution?

Just bounced on me. Before statistically analysing significant difference, shouldn't we see if data fits normal distribution first? Is 3 replicates enough to testify the hypothesis of normal...

31 July 2024 8,141 13 View

Best mask design for metal deposition aiming build a Perovskite solar cell device?

What types of mask designs for metal deposition, to be used in a PVD system, are best suited for perovskite-based solar cells?

31 July 2024 4,835 3 View

Request for Advice: Starch Metabolism Research Project?

I am currently considering a research project focusing on a comparative analysis of starch metabolism in orchids and roses. I am particularly interested in identifying the types and quantities of...

30 July 2024 4,267 2 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

What are the perfect mathematical model for a solar-powered ship implementation?

A computational study of heat flux on cylindrical surfaces using CNT hybrid nanofluids

28 July 2024 4,985 1 View

Pragmatic inquiry research design?

Employing a pragmatic inquiry research design, looking for published research using this method, employing qualitative research data collection methods of semi-structured interview and focus...

28 July 2024 540 2 View

Rafael Duarte Oliveira Venancio

Maybe this will help you

http://physics.bu.edu/~duffy/py105/Motion2D.html

Kevin James McQuade

Luiz, Take the second dirivative of the position time data and use a low-pass 4th order recrusive butterworth filter. Determine your low pass cut off by performing a FFt on the signal .

Kevin

Luiz H Palucci Vieira

Thanks a lot professor McQuade