I need help with a HW assigment in R code. write an R code to read the file and

Question

I need help with a HW assigment in R code.  write an R code to read the file and calculate the mean of heights. Remember to remove those entries with no height entered.

below is data from an excel file. Please Help.

sex height weight handedness exercise smoke Female 68 158 Right Some Never Male 70 256 Left None Regul Male NA 204 Right None Occas Male 63 187 Right None Never Male 65 168 Right Some Never Female 68 172 Right Some Never Male 72 160 Right Freq Never Female 62 116 Right Freq Never Male 69 262 Right Some Never Male 66 189 Right Some Never Female 62 145 Right Freq Never Male NA 210 Right Freq Never Female 61 169 Right Some Never Female 61 142 Right Some Never Male NA 152 Right Some Never Female 61 144 Right Freq Never Female 62 130 Right Freq Never Male 72 179 Left Some Never Male 75 226 Right Some Never Male 70 193 Right Freq Never Male 75 182 Right Freq Never Male 71 149 Right Freq Never Male 71 180 Right Freq Never Male 72 204 Right Some Never Female NA 132 Right Some Never Male NA 242 Right Some Never Male 68 208 Right Some Never Male 69 171 Right Freq Never Male NA 137 Right Freq Never Male 66 215 Right Some Never Female NA 152 Right None Occas Male 71 211 Right Freq Never Female 66 136 Right Freq Heavy Male 71 232 Right Some Never Male NA 260 Right Some Regul Male 75 179 Right Freq Occas Female 66 172 Right Some Never Male 72 218 Right Freq Never Male 73 213 Right Some Never Male 67 191 Right Freq Occas Female 66 137 Right Some Never Female 61 161 Right Some Never Male 68 189 Right Some Never Female 70 138 Right Some Never Female 71 172 NA Freq Never Male 71 228 Right Freq Never Male 71 215 Right Freq Regul Male 67 148 Right None Never Female 66 162 Right Some Occas Female 65 183 Right None Never Male 79 173 Left Freq Never Male 75 224 Right Freq Never Male 67 204 Right Some Never Male 70 195 Right Freq Never Male 72 181 Right Freq Regul Male 67 157 Right Freq Never Female 62 197 Right None Never Male NA 195 Right Freq Never Male 70 194 Right Freq Never Male 69 186 Left Freq Occas Male 74 167 Right Freq Never Female 66 141 Right Freq Never Female 70 122 Right Freq Never Female 67 169 Left None Never Female 65 185 Right Freq Never Male 72 197 Right Freq Never Female 68 152 Right Freq Never Female NA 175 Right Freq Never Male 71 183 Right Some Never Male NA 238 Right None NA Female 67 102 Right Freq Never Male 69 197 Right Freq Heavy Female 67 159 Right Some Never Female 66 141 Right Freq Never Female 65 157 Right Some Never Female 67 176 Right Freq Heavy Female 65 172 Right Some Never Female 65 151 Right Freq Heavy Female 65 155 Right Some Never Male 73 174 Right Freq Never Male NA 189 Left Some Never Male 70 168 Right Freq Never Female NA 105 Right Freq Never Female NA 156 Right Some Never Male 66 213 Right Freq Never Female 66 156 Right Some Never Female 64 169 Right Some Never Female 67 171 Right Freq Never Male 70 186 Right Freq Never Female NA 119 Left Some Never Male 72 164 Right Some Never Female NA 141 Right Some Never Female 65 134 Right Some Never Female 66 166 Right Some Never Male 70 185 Right Freq Heavy Female NA 159 Right Some Never Male 75 177 Right Freq Regul Female 66 150 Right Freq Never Male 65 199 Right Freq Never Female 69 82 Right Freq Never Male 74 178 Right Some Never Male 67 237 Right None Never Female 63 157 Right Some Never Female 69 131 Right Freq Never Female 64 141 Right Some Heavy Female 67 121 Right Some Never Female 68 148 Right Freq Occas Female NA 178 Right Freq Never Male 71 166 Right Freq Never Male 71 240 Right Some Regul Female 69 138 Right Freq Never Male 75 165 Right None Never Female 67 129 Right Freq Never Male 73 157 Right Freq Never Female 64 98 Right Freq Never Female 62 164 Right None Never Female 63 180 Right Some Never Male 76 137 Left Some Heavy Female 67 203 Left Some Never Male 72 163 Right Freq Heavy Male NA 193 Right Freq Occas Male 70 174 Right Freq Occas Female 68 157 Right Freq Never Male 71 170 Left Freq Never Male 69 199 Right Freq Never Male 71 185 Right Freq Never Female 68 103 Right Freq Never Male 70 190 Right Freq Regul Female 62 166 Right Freq Never Female 60 157 Right Some Never Male 74 166 Right Freq Never Male 70 155 Right Some Never Female NA 181 Right Some Never Female 63 129 Left Freq Occas Male 69 220 Right Some Never Male 74 192 Right Some Regul NA 68 0 Left Freq Never Male 72 177 Right Freq Never Male 67 217 Right Freq Never Female 66 189 Right None Never Female 69 157 Right Some Never Female 65 136 Right None Never Female 68 159 Right Freq Never Male 71 150 Right Some Never Female 68 86 Left Freq Never Male 73 187 Right Some Never Male 74 203 Right Freq Regul Male 73 171 Right Freq Never Female 65 162 Right Freq Never Female 65 156 Right Freq Never Male 77 191 Right Freq Never Female 65 180 Right Freq Never Female 60 158 Right Some Regul Male 68 200 Right Freq Never Male 71 233 Right None Never Male 68 162 Right Freq Never Male NA 191 Right Freq Heavy Female 66 126 Right Some Never Male 74 228 Right None Never Male 74 199 Right Freq Regul Female 66 177 Right None Never Male 66 170 Left Some Never Male 76 237 Right Some Never Female 67 99 Right Freq Occas Male 70 241 Right Some Never Female 66 164 Right Some Never Female 67 152 Right Some Never Female 63 157 Right Some Regul Male 74 168 Right Freq Never Male 71 210 Right Freq Never Female 66 167 Right Some Never Male 72 215 Left Some Occas Female NA 134 Right Some Regul Female 65 170 Right Freq Never Female 62 151 Right Freq Never Female 67 160 Left Freq Never Male 68 189 Right Freq Regul Female 65 181 Right Freq Never Female NA 184 Right Freq Regul Female 64 132 Right Some Never Male 68 186 Right Freq Occas Female 65 112 Right Freq Occas Female 64 128 Right Some Never Male 67 156 Right Freq Never Male 69 221 Right Some Never Male 66 958 Right Some Never Female 64 184 Right Some Never Male 65 198 Right None Never Male 68 183 Right Freq Never Male 77 168 Right Freq Never Male 70 221 Right Some Never Male 71 150 Right Some Never Male 69 185 Right None Occas Female 63 150 Right Some Never Female 62 159 Right None Never Female 65 160 Right Some Never Female 67 116 Right Freq Never Male 61 175 Right Freq Never Female 67 133 Right Some Occas Female 65 147 Right Some Never Female 66 154 Right Some Occas Male 68 180 Right Freq Never Female NA 138 Right Some Never Female 63 176 Right None Never Male 70 242 Right Some Regul Female 66 101 Right Freq Occas Female 60 148 Right Some Never Male 63 193 Right Some Never Male 65 232 Left None Never F 68 112 Right Freq Never F 63 121 Right Some Never F 64 108 Left Some Never M NA 178 Right Freq Never M 65 197 Right Some Never Female 66 192 Right Some Never Male 67 145 Right Some Never Female NA 152 Right None Never Male 73 150 Right Freq Never Female 68 118 Right Freq Never Male 74 177 Right Freq Never Male 67 189 Right None Heavy Female 66 141 Right Freq Never Female 64 132 Right Some Never Female 59 147 Right Freq Never Female NA 126 Right Some Never Female NA 139 Right Some Never Female 67 178 Right Some Heavy male 73 218 Right Freq Never female 66 137 Right Freq Regul Male 73 195 Right Freq Occas Female 66 169 Right Some Never Male 71 141 Right Some Never Female 65 156 Right Some Never Female 63 159 Right Some Never female 67 152 Right Some Never male 72 193 Right Some Never female 66 178 Right Freq Never

Explanation / Answer

df = read.csv("filePath.csv") #provide full path to the csv file(filePath), reads the csv file into the data frame.

mean_height = mean(df$height,na.rm=TRUE) #calculates the mean height while removing NA values and assigns mean to a variable.

mean_height #prints mean_height.

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