Have you any references about EU ports statistics?

More Luca Antonellini's questions See All

Will naval gigantism end in the next 20 years?

Is there a dimensional threshold (length, width, draft) beyond which it will not be economically viable to build ever larger container ships?

11 December 2017 5,383 4 View

Are children able to have influence (speeding up or slowing down) about their puberty age?

I'm sure children could act about the momentum of puberty according to the fact they want or, on the contrary, they do not want, "become adults". I'd like to investigate this theory through a...

09 October 2016 4,321 7 View

EU maritime transport statistics: references about comparison primary source (EUROSTAT) & secondary sources (Port Authorities data)?

My goal is to improve the references for a manuscript I'm working on

01 January 1970 7,184 0 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

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

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View

Data Analysis K-S and S-W tests?

Hello, I have conducted analysis where the K-W and S-W have come out as p

25 February 2021 9,648 3 View

Statistics: include groups of respondents made by one person for analysis?

Good morning, I could not find literature about this so I am asking. I am organizing data for a questionnaire (N=100) that foresees some personal questions like level of education. For the aim...

25 February 2021 2,090 4 View

Which is the best software or programming language (user friendly) for analysing data?

I have a basic knowledge on Python, R and MATLAB in analysing data. Among those, which is the best and user friendly? Which one should I learn deeply to analyse data?N:B: I want to learn data...

20 February 2021 3,950 15 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

ANCOVA controlling baseline in RCT - how to perform power analysis and sample size estimation?

Hi, I have a simple question. I am hoping to perform a power analysis/sample size estimation for an RCT. We will be controlling for baseline symptoms, and using post-treatment or change scores as...

19 February 2021 2,648 23 View

How to find if Qualitative and Quantitative (discrete) variables have a relation?

I'm going to do a brief research about the dependance between the number of cases of Covid-19 and sex( male/female) . One of the requierements is to use inferential statistics to test the...

18 February 2021 7,092 11 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

Jan A. Wendt

Dear Luca,

at first, what kind of data? Cargo? Passengers? All? Direction?

The Polish port statistics you can find at "Rocznik statystyczny Gospodarki Morskiej 2015 (= Statistical Yearbook of Maritime Economy, 2015)

http://stat.gov.pl/obszary-tematyczne/roczniki-statystyczne/roczniki-statystyczne/rocznik-statystyczny-gospodarki-morskiej-2015,11,8.html

Jan

Luca Antonellini

Dear Jan, thanks for your interesting contrbution.

By the way, my goal is to find papers focussed on the differences in port data between primary source (EUROSTAT for EU countries) and secondary source (PAs own data).

BR,

Luca