Check the file: Questions.pdf

**Subject Mathematics Statistics-R Programming**

Check the file: Questions.pdf

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# B Athletics

# 1.

# (a)

# getwd()

# setwd([workplace])

tnf100M <- read.csv("tnf100M.csv", header=TRUE)

tnf100W <- read.csv("tnf100W.csv", header=TRUE)

names(tnf100M)

# [1] "ID" "time" "wind" "Name" "country" "birth" "heat" "Location" "date"

tnf100M$sex = 0

tnf100W$sex = 1

tnf100 <- rbind(tnf100M, tnf100W)

# (b)

#removehighaltitude

tnf100 <- tnf100[-grep("A",tnf100$time),]

#as.numeric()

tnf100$time=as.numeric( as.character(tnf100$time) )

# (c)

tnf100 <- tnf100[,c("country","date","birth","wind","time","sex")]

# (d)

# install.packages("lubridate")

library(lubridate)...

# 1.

# (a)

# getwd()

# setwd([workplace])

tnf100M <- read.csv("tnf100M.csv", header=TRUE)

tnf100W <- read.csv("tnf100W.csv", header=TRUE)

names(tnf100M)

# [1] "ID" "time" "wind" "Name" "country" "birth" "heat" "Location" "date"

tnf100M$sex = 0

tnf100W$sex = 1

tnf100 <- rbind(tnf100M, tnf100W)

# (b)

#removehighaltitude

tnf100 <- tnf100[-grep("A",tnf100$time),]

#as.numeric()

tnf100$time=as.numeric( as.character(tnf100$time) )

# (c)

tnf100 <- tnf100[,c("country","date","birth","wind","time","sex")]

# (d)

# install.packages("lubridate")

library(lubridate)...

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