python中用pandas怎么把所有值提取出来 Python的pandas 数组如何得到索引值，如图，我要得...
Python\u7528Pandas\u63d0\u53d6Excel\u6307\u5b9a\u7684\u6570\u636e\u770b\u4e0d\u51fa\u8868A\u7684\u7b2c2\u6761\u3001\u7b2c2\u6761\u6ca1\u6cd5\u603b\u7ed3\u89c4\u5f8b\uff0c\u53ea\u80fd\u6309\u7167\u7b2c2\u30013\u30014\u884c\u7528Pandas\u9759\u6001\u8f6c\u6362\u4e3a\u6c47\u603b\u8868\u7684\u884c\u3002
\u76f4\u63a5\u4e0a\u5b9e\u4f8b\uff1a
df = pd.DataFrame(np.random.randn(5,3),index = list('abcde'),columns = ['one','two','three']) #\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u6846
df \u5185\u5bb9
\u83b7\u53d6\u6240\u6709\u7684\u5217\u540d\uff0c\u5e76\u5f62\u6210\u5217\u8868\uff1alist(df.keys())
\u83b7\u53d6\u6240\u6709\u7684\u884c\u540d\uff0c\u5e76\u5f62\u6210\u5217\u8868\uff1alist(df.index)
\u5982\u679c\u8981\u83b7\u5f97\u67d0\u4e00\u4e2a\u5143\u7d20\u7684\u5177\u4f53\u4f4d\u7f6e\u53ef\u4ee5\u4f7f\u7528\uff1anp.where("\u6761\u4ef6")\uff0c\u5982\uff1anp.where(df >0)
\u7b2c\u4e00\u4e2aarrary\u4ee3\u8868\u7b2c\u51e0\u884c\uff0c\u7b2c\u4e8c\u4e2a\u4ee3\u8868\u7b2c\u51e0\u5217\u3002
\u5982\uff0c\u5982\u4f55\u6761\u4ef6\u7684\u5143\u7d20\u5b58\u5728\u5728\uff1a\u7b2c\u4e00\u884c\u7b2c\u4e09\u5217\uff0c\u7b2c\u4e09\u884c\u7b2c\u4e00\u5217\uff0c....
绛旓細1銆侀鍏堟垜浠渶瑕佹墦寮Excel杞欢鍑嗗闇瑕佺殑鏁版嵁锛岃繖閲屽鍑嗗鍑犲垪鏁版嵁锛屼竴鍒楀氨鏄竴鏉℃姌绾匡紝濡備笅鍥炬墍绀 2銆佺劧鍚庢垜浠墦寮Pycharm杞欢锛屾柊寤Python鏂囦欢锛屽鍏Pandas搴擄紝鎺ョ潃灏咵xcel涓殑鏁版嵁璇诲彇杩涙暟鎹泦缂撳瓨锛屽涓嬪浘鎵绀 3銆佹帴涓嬫潵鎴戜滑鍒╃敤plot鏂规硶缁樺埗鎶樼嚎鍥撅紝濡備笅鍥炬墍绀猴紝杩欓噷鍙坊鍔犱簡涓鍒楁爣棰 4銆佽繍琛屾枃浠朵互...
绛旓細Pandas鐨勫己澶т笉浠呬粎闄愪簬姝わ紝瀹冭繕鍏佽鎴戜滑鏍规嵁闇姹傞夋嫨鎬у湴淇濈暀鍙宠〃鏁版嵁锛屾垨鑰呭湪鍖归厤鍚庢竻鐞嗕笉蹇呰鐨勫瓧娈点傜劧鑰岋紝闈㈠娴烽噺鏁版嵁锛孭andas鐨勫唴瀛橀檺鍒跺彲鑳介渶瑕佹垜浠浆鍚戞暟鎹簱鎿嶄綔浠ョ‘淇濇ц兘銆鍦≒ython鏁欏绯诲垪涓紝鎴戜滑宸茬粡娑电洊浜嗙幆澧冮厤缃佸熀纭璇硶銆佹暟鎹鐞嗙瓑鍩虹鍐呭锛岃屼粖澶╃殑鐒︾偣鍒欐槸Pandas鐨勬繁搴︽寲鎺樸備粠鍩虹鏁版嵁...
绛旓細瀹夎姝ラ濡備笅锛1銆佹墦寮缁堢鎴栧懡浠ゆ彁绀虹銆2銆佽緭鍏ヤ互涓嬪懡浠ゅ苟鎸変笅鍥炶溅锛歱ipinstallpandas銆浣跨敤鐨勬槸Python3锛岄渶瑕佷娇鐢╬ip3鍛戒护锛歱ip3installpandas銆3銆佺瓑寰呭畨瑁呰繃绋嬪畬鎴愶紝pip灏嗕細鑷姩涓嬭浇骞跺畨瑁卲andas搴撳埌Python鐜涓
绛旓細1. 璇诲彇Excel鏂囦欢锛浣跨敤Pandas鐨刞read_excel`鍑芥暟鍙互杞绘澗璇诲彇Excel鏂囦欢銆傝繖涓嚱鏁拌兘澶熻瘑鍒獷xcel鏂囦欢涓殑涓嶅悓閮ㄥ垎锛屽宸ヤ綔琛ㄣ佽鍜屽垪锛屽苟灏嗗叾杞崲涓篜andas鐨勬暟鎹粨鏋勩傝繖鏍凤紝浣犲氨鍙互鍦≒ython鐜涓鏁版嵁杩涜鍚勭鎿嶄綔銆2.鏁版嵁澶勭悊鍜屽垎鏋愶細涓鏃︽暟鎹璇诲彇鍒癙andas鐨凞ataFrame涓紝灏卞彲浠ヤ娇鐢≒andas鎻愪緵鐨勪赴瀵屽姛鑳...
绛旓細绗竴姝ワ細鐞嗚В骞跺畨瑁匒nacondaAnaconda锛屼竴涓Python鐨绉戝璁＄畻鍙戣鐗堬紝闆嗘垚浜嗘暟鐧剧搴擄紝鍖呮嫭Pandas锛岃浣犳棤闇閫愪竴瀹夎銆傞鍏堬紝鎴戜滑鏉ヤ簡瑙ｄ竴涓婣naconda銆傚畠涓嶄粎浠呮槸涓涓狿ython鐜锛岃屾槸涓涓竴绔欏紡瑙ｅ喅鏂规锛屽寘鍚簡numpy銆乻cipy銆pandas绛夌瀛﹁绠楀簱锛屽ぇ澶х畝鍖栦簡搴撶殑绠＄悊鍜屽畨瑁呫備笅杞紸naconda鏃讹紝鎺ㄨ崘閫夋嫨Python 2...
绛旓細1銆pandas绠浠:pandas鏄痯ython+data+analysis鐨勭粍鍚堢缉鍐,鏄python涓鍩轰簬numpy鍜宮atplotlib鐨勭涓夋柟鏁版嵁鍒嗘瀽搴,涓庡悗涓よ呭叡鍚屾瀯鎴愪簡python鏁版嵁鍒嗘瀽鐨勫熀纭宸ュ叿鍖,浜湁鏁板垎涓夊墤瀹箣鍚嶃2銆乸andas鏁版嵁缁撴瀯:pandas鏍稿績鏁版嵁缁撴瀯鏈変袱绉,鍗充竴缁寸殑series鍜屼簩缁寸殑dataframe,浜岃呭彲浠ュ垎鍒湅鍋氭槸鍦╪umpy涓缁存暟缁勫拰浜岀淮鏁扮粍鐨勫熀纭涓婂鍔犱簡...
绛旓細鍦≒ython涓锛pandas鏄熀浜嶯umPy鏁扮粍鏋勫缓鐨勶紝浣挎暟鎹澶勭悊銆佹竻娲椼佸垎鏋愬伐浣滃彉寰楁洿蹇洿绠鍗曘俻andas鏄笓闂ㄤ负澶勭悊琛ㄦ牸鍜屾贩鏉傛暟鎹璁＄殑锛岃孨umPy鏇撮傚悎澶勭悊缁熶竴鐨勬暟鍊兼暟缁勬暟鎹 浣跨敤涓嬮潰鏍煎紡绾﹀畾锛屽紩鍏andas鍖咃細pandas鏈変袱涓富瑕佹暟鎹粨鏋勶細Series鍜孌ataFrame銆係eries鏄竴绉嶇被浼间簬涓缁存暟缁勭殑瀵硅薄锛屽畠鐢 涓缁勬暟鎹...
绛旓細鍙互浣跨敤 Python 鐨绗笁鏂瑰簱 pandas 灏嗗垪琛ㄨ浆鎹㈡垚 excel 琛ㄦ牸銆傞鍏堥渶瑕佸畨瑁 pandas 搴擄紝鍦ㄥ懡浠よ涓緭鍏ワ細pip install pandas 鐒跺悗鍙互浣跨敤 pandas 搴涓殑 DataFrame 鍑芥暟灏嗗垪琛ㄨ浆鎹㈡垚 DataFrame 鏁版嵁缁撴瀯锛屽啀浣跨敤 to_excel 鍑芥暟灏 DataFrame 淇濆瓨涓 excel 鏂囦欢銆傜ず渚嬩唬鐮侊細import pandas as pd 鍋囪浣犳湁...
绛旓細瀹夎pandas銆Python鍜孲ciPy鏈绠鍗曠殑鏂瑰紡鏄敤Anaconda銆侫naconda鏄叧浜嶱ython鏁版嵁鍒嗘瀽鍜岀瀛﹁绠楃殑鍒嗗彂鍖呫2. Miniconda 浣跨敤Anaconda浼氬畨瑁呬竴鐧惧涓緷璧栧寘锛屽鏋滄兂鐏垫椿鎺у埗瀹夎鐨勪緷璧栧寘鎴栧甫瀹芥湁闄愶紝浣跨敤Miniconda鏄釜涓嶉敊鐨勯夋嫨銆侰onda鏄釜鍖呯鐞嗗櫒锛孉naconda灏辨槸寤虹珛鍦ㄥ畠鐨勫熀纭涓娿侰onda涓嶅彧璺ㄥ钩鍙拌繕涓庤瑷鏃犲叧...
绛旓細Python鐢╬andas搴撳彲浠ョ洿鎺ヨ鍙杧lsx鏂囦欢銆備竴銆丳andas搴撶畝浠 Pandas鏄疨ython鐨勪竴涓紑婧愭暟鎹垎鏋愬伐鍏峰寘锛屽畠鎻愪緵浜嗗ぇ閲忓姛鑳芥潵澶勭悊鍜屾搷浣滄暟鎹紝鍖呮嫭璇诲彇鍜屽啓鍏ユ枃浠躲傚叾涓紝瀵逛簬Excel鏂囦欢锛孭andas鎻愪緵浜嗛潪甯告柟渚跨殑璇诲彇鏂规硶銆備簩銆佷娇鐢≒andas璇诲彇xlsx鏂囦欢 鍦≒ython涓娇鐢≒andas璇诲彇xlsx鏂囦欢闈炲父绠鍗曘傞鍏堬紝闇瑕佺‘淇濆凡缁忓畨瑁呬簡...
