However, there are many different ways to implement multiple im- putation, such as including different variables in the im- putation model and imputing under different statistical models. Therefore, this approac
BMC Cancer (2022) 22:906 https://doi.org/10.1186/s12885-022-09937-y RESEARCH Open Access Assessing how routes to diagnosis vary by the age of patients with cancer: a nationwide register‑based cohort study in Denmark B. Danckert1†, N. L. Christensen2,3, A...
Put differently, the chance of post-entry exit is δ≡ζ+ε−ζ·ε≥0. Firms can invest in R&D to lower their firm-specific risk. The decision to invest depends on a comparison between the additional profits from the longer life expectancy and the additional investment cost. Suppose that...
Once the SVM models were trained for negative and positive sentiment classification, we applied the SVM negative and positive sentiment model to label tweets collected from November 2019 through September 2020. Statistical analyses were implemented with Stata MP16 (StataCorp LP, College Station, TX, ...
whereby the host is a non-commercial provider (i.e., not a registered business) who has and is willing to offer a space suitable for overnight stays (e.g., entire place, private room, shared room) to the guest, who is an end user seeking paid accommodation in private vicinities (Air...
JEL codes O0 O2 Q0 Q5 1. Introduction To move away from the unsustainable traditional linear model of material extraction | production | use | disposal, it is crucial to transition to a Circular Economy (CE). This transition is particularly significant in the Electrical and Electronic Equipment...
To this end, we pursue three objectives in this study. First, we aim to gauge the law of coordinated development of the coupling between the aging industry and regional economy development, as well as the distribution characteristics and variation trend of the coupling coordination degree. Our sec...