Correspondence evaluation and logistic regression. The 2016 and 2019 samples of respondents are comparable because the exact same population groups were addressed. The survey participants were 67 women and 33 men. It is of common understanding that organic items are chiefly bought by women [44,45]. Four age categories were selected: respondents under 30 years (68 ), respondents of 315 years (14 ), respondents of 460 years (ten ) and respondents above 61 years of age (8 ). We mostly focused on young persons, as they’ll represent the main client segment in the future (see [468]). At the same time, all settlement sizes had been evenly covered. What was also recorded was the respondents’ household month-to-month income, divided, again, into four categories: below CZK 20,000 (18 ), CZK 200 thousand (20 ), CZK 400 thousand (25 ) and CZK 60,001 and above (37 ). In addition, the representativeness with the sample is assured by the size on the sample involving respondents in each of the categories followed–gender, age and household earnings. Inside the questionnaire survey analysis, we normally acquire categorical data and the straightforward approach to illustrate information relations are contingency tables. With respect towards the character of theAgriculture 2021, 11,four ofdata, we made use of appropriate tests of independence. According to Rezankov[49], within the case in the contingency table with the form r c (r is definitely the quantity of rows and c is the quantity of columns), we ordinarily use statistics: two = Alternatively, G2 =i ji jnij – eij eij nij.(1)nij ln eij(two)where eij is an expected frequency and nij actual frequency. We utilised the statistic two within the Pearson chi-square test and G2 within the likelihood-ratio test. These two statistics have asymptotically 2r-1)(c-1) distribution using the presumption of independence [50]. ( The aforementioned tests may be utilized inside the case of high expected frequencies within the contingency table (greater than five for every field) (see Hendl [51]). In some research, this rule just isn’t so strict, as it is adequate to possess at most 20 of frequencies much less than five, but all of them greater than 1 (see Agresti [52]). In accordance with And l [53], in the event the frequencies are also modest, we e can use Fisher s precise test or we can calculate the simulated p-value of the two statistic. A correspondence analysis was utilized to evaluate the survey of staff of two organisations in Slovakia and two organisations in the Czech Republic. Employing a graphical method, this approach makes it possible for us to Choline (bitartrate) site analyse the partnership among the categories of 1 or additional variables inside the contingency tables. In a correspondence evaluation, we study the relationships between various categories of two categorial variables. The outcome of the analysis is actually a correspondence map representing the axes of a lowered coordinate system graphically depicting the different categories of both variables. The tools of this approach could be made use of to describe the associations of nominal and ordinal variables and to acquire a graphic representation on the correlations in a multi-dimensional space. The aim of this analysis would be to reduce the multi-dimensional space with the vectors of row and column profiles while retaining maximum information and facts contained inside the original information [54]. Each and every row and column in the correspondence table might be displayed in a c-dimensional or r-dimensional space, respectively, with coordinates corresponding towards the values in the respective profiles. The distance amongst the person points is defined as chi-square distance. The distance involving the i-th and i’-th r.