Skip to content

Added example for bag groupby and foldby as requested in issue 46 #244

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
enstenr wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Added example for bag groupby and foldby as requested in issue 46 #244

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 19 additions & 0 deletions bag.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,25 @@
"b.count().compute() # Count total number of records"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"(b.groupby(lambda record:record[\"occupation\"]).map(lambda kv: ( kv[0], len(kv[1]))).compute()[:10]) # using groupby to count people in each occupation"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"city_counts = b.foldby(key = lambda record:record[\"address\"][\"city\"], binop = lambda acc, record:acc + 1, initial = 0 ) # using foldby to count people living by city\n",
"city_counts.take(10)"
]
},
{
"cell_type": "markdown",
"metadata": {},
Expand Down
Loading