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ggplot2 is an open-source data visualization package for the statistical programming language R.Created by Hadley Wickham in 2005, ggplot2 is an implementation of Leland Wilkinson's Grammar of Graphics—a general scheme for data visualization which breaks up graphs into semantic components such as scales and layers. ggplot2 can serve as a replacement for the base graphics in R and contains a ...
"It's dangerous to go alone! Take this." is a quote from the 1986 video game The Legend of Zelda. [nb 1] It is spoken by an unnamed old man, who the player can decide to meet in the cave at the start of the game, he gives the player-character Link a sword to aid his quest to defeat Ganon and rescue Princess Zelda. The quote has been referenced in video gaming and other media, has become an ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 February 2025. African-American woman (1920–1951), source of HeLa immortal cell line "Lacks" redirects here. For other uses, see Lack. Henrietta Lacks Lacks c. 1945–1951. Born Loretta Pleasant (1920-08-01) August 1, 1920 Roanoke, Virginia, U.S. Died October 4, 1951 (1951-10-04) (aged 31) Baltimore ...
Trying to get revenge at Mandy for bossing them all the time, Billy and Grim put her in the "Mask of the Beast". Mandy must be nice and friendly while wearing the mask or else she will become a hideous monster. Failing to remove the mask herself, and struggling to be "kind" to Billy and Grim, Mandy gradually turns into the beast.
The upper graph shows the current density as function of the overpotential η . The anodic and cathodic current densities are shown as j a and j c, respectively for α=α a =α c =0.5 and j 0 =1mAcm −2 (close to values for platinum and palladium).