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ENH/DOC: wide_to_long performance and docstring clarification #14779

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ENH/DOC: wide_to_long performance and docstring clarification #14779

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5747a25
ENH/DOC: wide_to_long performance and functionality improvements (#14…
erikcs Dec 10, 2016
54c5920
Specify the suffix with a regex
erikcs Dec 10, 2016
1c49291
Can of course get rid negative lookahead now that suffix is a regex
erikcs Dec 11, 2016
295d1e6
Use pd.Index in doc example
erikcs Dec 11, 2016
dc13064
Set docstring to raw literal to allow backslashes to be printed (still
erikcs Dec 11, 2016
df1edf8
asv_bench: fix indentation and simplify
erikcs Dec 11, 2016
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asv_bench: fix indentation and simplify
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@erikcs
erikcs committed Dec 11, 2016
commit df1edf8e182047f330df02e1697ad6feaff1dbf4
27 changes: 12 additions & 15 deletions asv_bench/benchmarks/reshape.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,21 +80,18 @@ class wide_to_long_big(object):
goal_time = 0.2

def setup(self):
vars = 'ABCD'
nyrs = 20
nidvars = 20
N = 5000
yrvars = []
for var in vars:
for yr in range(1, nyrs + 1):
yrvars.append(var + str(yr))

yearobs = dict(zip(yrvars, np.random.randn(len(yrvars), N)))
idobs = dict(zip(range(nidvars), np.random.rand(nidvars, N)))

self.df = pd.concat([pd.DataFrame(idobs), pd.DataFrame(yearobs)],
axis=1)
self.vars = vars
vars = 'ABCD'
nyrs = 20
nidvars = 20
N = 5000
yrvars = []
for var in vars:
for yr in range(1, nyrs + 1):
yrvars.append(var + str(yr))

self.df = pd.DataFrame(np.random.randn(N, nidvars + len(yrvars)),
columns=list(range(nidvars)) + yrvars)
self.vars = vars

def time_wide_to_long_big(self):
self.df['id'] = self.df.index
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