news

한어Русский языкEnglishFrançaisIndonesianSanskrit日本語DeutschPortuguêsΕλληνικάespañolItalianoSuomalainenLatina

i compiled it2023-2000commonly used measurement indicators for corporate innovation in listed companies includer&d investment of listed companies, patents of listed companies. the data is up-to-date and accurate, and has been organized into excel tables for everyone to use.all data is combined into one spreadsheet and can be used directly. the sample size ismore than 110,000, 2023 datathere are more than 5360, you can go to various sources to compare, this is the most complete! each indicator corresponds to its owndata content, data interpretation, data processing code and referenceswait, this data can save everyone a lot of time in collecting and organizing, everyone is welcome to buy!

(1) data content

r&d investment of listed companies:including total r&d investment, r&d investment intensity, number of r&d personnel, proportion of r&d personnel, capitalized r&d investment, and capitalized r&d investment as a proportion of r&d investment.

listed companies produce patents:including company patent accumulation, invention patents, invention authorizations, utility model patents, and design patents.

(2) data interpretationexplanation and data sources of various indicators of listed companies' r&d investment and listed company patents, and publish the original data.you can verify the authenticity based on the data source and original data to ensure data accuracy!

(3) data processing code

the material provides data processing codes, including the elimination of special values, shrinking processing, descriptive statistics, multicollinearity test testing codes, and shows how to remove financial industry, real estate industry, st, *st companies. teachers and students can according to their own needs for processing.