setwd python
os.chdir("/home/varun/temp")setwd python
os.chdir("/home/varun/temp")isnull().mean() python
df.isnull()
#Mask all values that are NaN as True
df.isnull().mean()
#compute the mean of Boolean mask (True evaluates as 1 and False as 0)
df.isnull().mean().sort_values(ascending = False)
#sort the resulting series by column names descendingargparse accept only few options
...
parser.add_argument('--val',
choices=['a', 'b', 'c'],
help='Special testing value')
args = parser.parse_args(sys.argv[1:])python argparser flags
parser.add_argument("-v", "--verbose", action="store_true",
help="verbose output")Copyright © 2021 Codeinu
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