автордың кітабынан сөз тіркестері  Pandas в действии

Борис Пасхавер

employees.dropna(how = "any", thresh = 4).head()

employees.dropna(subset = ["Start Date", "Salary"]).head()

employees.dropna(how = "all").tail()

employees.dropna(subset = ["Gender"]).tail()

has_name = employees["First Name"].notnull()

(~employees["Team"].isnull()).head()

employees["Team"].notnull().head()

employees["Team"].isnull().head()

name_starts_with_r = employees["First Name"].between("R", "S")

between_80k_and_90k = employees["Salary"].between(80000, 90000)