Ernesto Roldan-Valadez

5 Questions 13 Answers 0 Followers

Questions related from Ernesto Roldan-Valadez

Which software do you prefer for Text Analytics (SPSS vs. RapidMiner)?

Researchers interested in data mining can decide between SPSS Text Analytics for Surveys or open source softwares like RapidMiner and specific modules on R language. Which one do you think is...

12 December 2014 8,105 3 View

What skill set is needed in order to publish high impact papers in high impact journals ?

Several skills might be advocated in order to become a good scientist: Choosing of a rapidly growing research field at an opportune moment. Learning of statistics. Efficient public...

01 January 2014 9,569 2 View

Can anybody share strategies for selecting journals before submission?

Getting familiar with bibliometric indices being a major concern for individual researchers, since they might influence their teaching and research activities. It is currently accepted that...

01 January 2014 3,216 9 View

Which article/book chapter provides a proper presentation of two - or three-level cross-sectional analysis using linear-mixed-models ?

Correlated data arise frequently in statistical analyses. This may be due to grouping of subjects, e.g., students within classrooms, or to repeated measurements on each subject over time or space,...

01 January 2014 7,415 2 View

What is the importance of the h-index for individual researchers nowadays?

The h-index is an index that attempts to measure both the productivity and impact of the published work of a scientist or scholar. The index is based on the distribution of citations received by a...

12 December 2013 9,626 19 View