Engineering
Engineering, 21.01.2020 23:31, zoejacobs2002

#read in the data from "clothes. csv" file into a data. frame called "clothes". # remove all rows from the data. frame where the variable "price" is empty, # i. e., equal to "". # write a function called "num" that takes a character vector of prices as # input, removes the dollar sign, and returns a numeric vector of prices.

answer
Answers: 1

Other questions on the subject: Engineering

image
Engineering, 03.07.2019 15:10, margaret1758
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
Answers: 1
image
Engineering, 04.07.2019 18:10, juansoto227711
Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery
Answers: 2
image
Engineering, 04.07.2019 18:20, rjone8429
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
image
Engineering, 04.07.2019 19:10, Destinationz
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
Answers: 3
Do you know the correct answer?
#read in the data from "clothes. csv" file into a data. frame called "clothes". # remove all rows fr...

Questions in other subjects:

Konu
Mathematics, 05.05.2020 16:19