If there is at least one day in a week where the returns are 2.58 standard deviations below the mean of the daily returns, we assume the stock to have experienced a crash in a particular sample week, and we set CRASH to 1; otherwise, we set CRASH to 0.3 3.4. Empirical model We ...
Course projectData collectionDescriptive statisticsPaired t -testStatistics educationTeaching statisticsTraducción de: Basic Statistics for Education and the Behavioral Sciencesdoi:10.1080/10691898.2017.1395302Sole, Marla A.Weinberg, Sharon L.Journal of Statistics Education...
External scrutiny (whether by the NAO or other stakeholders) is seen by government departments as a key motivation for improving IAs (NAO 2009b); this could mean that at least some of the shortcomings of the IA process are down to surmountable political and organisational constraints. However, ...
Port Technology International’s article is perhaps poignant to current logistics developments in South Africa. Optimisation at the terminal does not only mean improving productivity and reducing operational costs. Optimisation represents a new approach to managingcontainer terminals; it is the most signific...
Causes of German Inventiveness, 1815–1990. What We Can Learn from Patent Statisticsdoi:10.1515/ger-2024-0063C81N74O31In the second half of the 19th century, Germany developed into one of the most innovative economies in the world and was able to defend this position in the 20th century. ...
External scrutiny (whether by the NAO or other stakeholders) is seen by government departments as a key motivation for improving IAs (NAO 2009b); this could mean that at least some of the shortcomings of the IA process are down to surmountable political and organisational constraints. However, ...
relationship for estimating understorey height (UH) and understorey cover (UC) using LiDAR data in the Pokupsko Basin lowland forest complex (Croatia). First, several HCB values per plot were obtained from field data (measured HCBi—HCBM-i, where i ϵ (minimum, maximum, mean, percentiles...
However, this method, although it does not affect working memory while solving the task, has an important drawback, as many details may be forgotten [46]. Thinking aloud may also be applied upon task completion [47]. This method helps to collect valuable qualitative data on the map-...
In Spain, the National Statistics Institute (INE) [2] reported that around 23,000 HPs visited social support centers in 2012, although it is estimated that more than 30,000 HPs in the country were not included in these figures [3]. In 2020, a mean of 17.772 HPs/day were accommodated ...
It has two escape alterations, E484Q and L452R, as well as other mutations; the most notable of these is P681R, which is expected to boost infectivity [33]. As per studies conducted in the UK, the Delta symptoms are slightly different from those of other strains, although this does ...