If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...
Learn how to make everything from basic line graphs to racing bar charts — all interactive and easily animated — with the echarts4r R package. While I’m mostly settled on ggplot2 for static plots, I’m ...
“A FIRST Guide to Quality Control for Engineers” (London: H. M. Stationery Office, 1945. Pp. 38. 1s. net), compiled in 1943 by Dr. E. H. Sealy of the Ministry of Supply Advisory Service on Quality ...