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6 天前 · Principal component analysis ( PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing . The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
2 天前 · Nestlé S.A.[a] (/ˈnɛsleɪ, -li, -əl/ NESS-lay, -lee, -əl,[5] French: [nɛsle], German: [ˈnɛstlə] ⓘ) is a Swiss multinational food and drink processing conglomerate corporation headquartered in Vevey, Switzerland. It has been the largest publicly held food company in the world, measured by revenue and other metrics, since 2014 ...
2 天前 · In 1869, Goldman Sachs was founded by Marcus Goldman in New York City in a one-room basement office next to a coal chute. In 1882, Goldman's son-in-law Samuel Sachs joined the firm. In 1885, Goldman's son, Henry Goldman, and his son-in-law, Ludwig Dreyfuss, joined the business and the firm adopted its present name, Goldman Sachs & Co. The company pioneered the use of commercial paper for ...
5 天前 · On January 28, 1986, the Space Shuttle Challenger broke apart 73 seconds into its flight, killing all seven crew members aboard. The spacecraft disintegrated 46,000 feet (14 km) above the Atlantic Ocean, off the coast of Cape Canaveral, Florida, at 11:39 a.m. EST (16:39 UTC ). It was the first fatal accident involving an American spacecraft ...
1 天前 · Carl Gustav Jung (/jʊŋ/ YUUNG;[1][2] German: [kaʁl ˈjʊŋ]; 26 July 1875 – 6 June 1961) was a Swiss psychiatrist and psychotherapist[a] who founded analytical psychology. He was a prolific author, illustrator, and correspondent, and a complex and controversial character, perhaps best known through his "autobiography" Memories, Dreams ...
2024年5月23日 · Nintendo Co., Ltd.[b] is a Japanese multinational video game company headquartered in Kyoto. It develops, publishes and releases both video games and video game consoles. Nintendo was founded in 1889 as Nintendo Koppai[c] by craftsman Fusajiro Yamauchi and originally produced handmade hanafuda playing cards. After venturing into various lines ...
5 天前 · Michael Jackson 's Thriller, estimated to have sold between 70 and 100 million copies worldwide, [4] is the best-selling album ever. [5] [6] [7] Jackson also currently has the highest number of albums on the list with five, while Celine Dion has four and the Beatles, Pink Floyd, Madonna and Whitney Houston each have three.
