. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 6 Essential basic functionality 43 6.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 14 Plotting with matplotlib 165 14.1 Basic plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . use a lot in examples In [226]: randn = np.random.randn In [227]: from pandas import * Here is a basic tenet to keep in mind: data alignment is intrinsic. Link between labels and data will not be broken

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 6 Essential basic functionality 43 6.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 14 Plotting with matplotlib 165 14.1 Basic plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . use a lot in examples In [226]: randn = np.random.randn In [227]: from pandas import * Here is a basic tenet to keep in mind: data alignment is intrinsic. Link between labels and data will not be broken

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 6 Essential basic functionality 49 6.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 14 Plotting with matplotlib 173 14.1 Basic plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . use a lot in examples In [226]: randn = np.random.randn In [227]: from pandas import * Here is a basic tenet to keep in mind: data alignment is intrinsic. Link between labels and data will not be broken

False False False True 2013-01-04 False False False False False True 3.2.5 Operations See the Basic section on Binary Ops. Stats Operations in general exclude missing data. Performing a descriptive Comparisons for an explanation and what to do. See Gotchas as well. {{ header }} 3.3 Essential basic functionality Here we discuss a lot of the essential functionality common to the pandas data structures pandas uses them is a bit beyond the scope of this introduction. See dtypes for more. 3.3. Essential basic functionality 39 pandas: powerful Python data analysis toolkit, Release 0.25.3 If you know you need

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 8 Essential Basic Functionality 133 8.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 16 Plotting with matplotlib 315 iii 16.1 Basic plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . False False False False True 2013-01-04 False False False False False True 5.5 Operations See the Basic section on Binary Ops 5.5.1 Stats Operations in general exclude missing data. Performing a descriptive

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 9 Essential Basic Functionality 173 9.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408 17 Plotting with matplotlib 411 17.1 Basic plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . True 2013-01-04 False False False False False True [4 rows x 6 columns] 5.5 Operations See the Basic section on Binary Ops 5.5.1 Stats Operations in general exclude missing data. Performing a descriptive

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 9 Essential Basic Functionality 201 9.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449 17 Plotting 453 17.1 Basic Plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 243 242 D1 245 244 247 246 C3 D0 249 248 251 250 D1 253 252 255 254 [64 rows x 4 columns] Basic multi-index slicing using slices, lists, and labels. 14 Chapter 1. What’s New pandas: powerful Python

(Deprecated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 489 9 Essential Basic Functionality 491 9.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reconstructing the level labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640 13.1.3 Basic indexing on axis with MultiIndex . . . . . . . . . . . . . . . . . . . . . . . . . . . . 641 13.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 911 22 Visualization 913 22.1 Basic Plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(Deprecated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487 9 Essential Basic Functionality 489 9.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reconstructing the level labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 638 13.1.3 Basic indexing on axis with MultiIndex . . . . . . . . . . . . . . . . . . . . . . . . . . . . 639 13.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 907 22 Visualization 909 22.1 Basic Plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(Deprecated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 516 9 Essential Basic Functionality 517 9.1 Head and Tail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . the level labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 670 xiv 13.1.3 Basic indexing on axis with MultiIndex . . . . . . . . . . . . . . . . . . . . . . . . . . . . 671 13.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 944 22 Visualization 947 22.1 Basic Plotting: plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .