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Yet Another Tabular Data Question

Hi all,

Fairly new Python guy here. I am having a lot of trouble trying to
figure this out. I have some data on some regulations in Excel and I
need to basically add up the total regulations for each country--a
statistical analysis thing that I'll copy to another Excel file.
Writing with pyExcelerator has been easier than reading with xlrd for
me...So that's what I did first, but now I'd like to learn how to
crunch some data.

The input looks like this:

Country Module
Topic # of Docs
Argentina Food and Consumer Products Cosmetics 1
Argentina Food and Consumer Products Cosmetics 8
Argentina Food and Consumer Products Food Additives 1
Argentina Food and Consumer Products Food Additives 1
Australia Food and Consumer Products Drinking Water 7
Australia Food and Consumer Products Food Additives 3
Australia Food and Consumer Products Food Additives 1
etc...

So I need to add up all the docs for Argentina, Australia, etc...and
add up the total amount for each Topic for each country so, Argentina
has 9 Cosmetics laws and 2 Food Additives Laws, etc...

So, here is the reduced code that can't add anything...Any thoughts
would be really helpful.

import xlrd
import pyExcelerator
from pyExcelerator import *

#Open Excel files for reading and writing
path_file = "c:\\1\\data.xls"
book = xlrd.open_workbook(path_file)
Counts = book.sheet_by_index(1)
wb=pyExcelerator.Workbook()
matrix = wb.add_sheet("matrix")

#Get all Excel data
n=1
data = []
while n<Counts.nrows:
data.append(Counts.row_values(n, start_colx=0, end_colx=None))
n=n+1

COUNTRY, MODULE, TOPIC,DOCS = range(4)
COUNTRY_TOT = []
n=0
while n<len(data):
x=n
while data[n][COUNTRY]==data[n+1][COUNTRY]:
n=n+1
print sum(data[x:n][FT_DOCS])

wb.save('c:\\1\\matrix.xls')
Nov 29 '07 #1
2 1415
On Nov 29, 5:46 pm, patrick.wa...@gmail.com wrote:
Hi all,

Fairly new Python guy here. I am having a lot of trouble trying to
figure this out. I have some data on some regulations in Excel and I
need to basically add up the total regulations for each country--a
statistical analysis thing that I'll copy to another Excel file.
Writing with pyExcelerator has been easier than reading with xlrd for
me...So that's what I did first, but now I'd like to learn how to
crunch some data.

The input looks like this:

Country Module
Topic # of Docs
Argentina Food and Consumer Products Cosmetics 1
Argentina Food and Consumer Products Cosmetics 8
Argentina Food and Consumer Products Food Additives 1
Argentina Food and Consumer Products Food Additives 1
Australia Food and Consumer Products Drinking Water 7
Australia Food and Consumer Products Food Additives 3
Australia Food and Consumer Products Food Additives 1
etc...

So I need to add up all the docs for Argentina, Australia, etc...and
add up the total amount for each Topic for each country so, Argentina
has 9 Cosmetics laws and 2 Food Additives Laws, etc...

So, here is the reduced code that can't add anything...Any thoughts
would be really helpful.

import xlrd
import pyExcelerator
from pyExcelerator import *

#Open Excel files for reading and writing
path_file = "c:\\1\\data.xls"
book = xlrd.open_workbook(path_file)
Counts = book.sheet_by_index(1)
wb=pyExcelerator.Workbook()
matrix = wb.add_sheet("matrix")

#Get all Excel data
n=1
data = []
while n<Counts.nrows:
data.append(Counts.row_values(n, start_colx=0, end_colx=None))
n=n+1

COUNTRY, MODULE, TOPIC,DOCS = range(4)
COUNTRY_TOT = []
n=0
while n<len(data):
x=n
while data[n][COUNTRY]==data[n+1][COUNTRY]:
n=n+1
print sum(data[x:n][FT_DOCS])

wb.save('c:\\1\\matrix.xls')
Considering the topic of the usenet group, I know this is heresy but
I'd suggest using the Pivot Table feature in Excel. The whole thing
will be done if 5 clicks and no code. Simple is better than complex.
Nov 30 '07 #2
ca******@gmail.com wrote:
On Nov 29, 5:46 pm, patrick.wa...@gmail.com wrote:
>Hi all,

Fairly new Python guy here. I am having a lot of trouble trying to
figure this out. I have some data on some regulations in Excel and I
need to basically add up the total regulations for each country--a
statistical analysis thing that I'll copy to another Excel file.
Writing with pyExcelerator has been easier than reading with xlrd for
me...So that's what I did first, but now I'd like to learn how to
crunch some data.

The input looks like this:

Country Module
Topic # of Docs
Argentina Food and Consumer Products Cosmetics 1
Argentina Food and Consumer Products Cosmetics 8
Argentina Food and Consumer Products Food Additives 1
Argentina Food and Consumer Products Food Additives 1
Australia Food and Consumer Products Drinking Water 7
Australia Food and Consumer Products Food Additives 3
Australia Food and Consumer Products Food Additives 1
etc...

So I need to add up all the docs for Argentina, Australia, etc...and
add up the total amount for each Topic for each country so, Argentina
has 9 Cosmetics laws and 2 Food Additives Laws, etc...

So, here is the reduced code that can't add anything...Any thoughts
would be really helpful.

import xlrd
import pyExcelerator
from pyExcelerator import *

#Open Excel files for reading and writing
path_file = "c:\\1\\data.xls"
book = xlrd.open_workbook(path_file)
Counts = book.sheet_by_index(1)
wb=pyExcelerator.Workbook()
matrix = wb.add_sheet("matrix")

#Get all Excel data
n=1
data = []
while n<Counts.nrows:
data.append(Counts.row_values(n, start_colx=0, end_colx=None))
n=n+1

COUNTRY, MODULE, TOPIC,DOCS = range(4)
COUNTRY_TOT = []
n=0
while n<len(data):
x=n
while data[n][COUNTRY]==data[n+1][COUNTRY]:
n=n+1
print sum(data[x:n][FT_DOCS])

wb.save('c:\\1\\matrix.xls')
Check itertools.groupby() and operator.itemgetter()
Nov 30 '07 #3

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