滑累積和python

Question

 Open time Open High Low Closing_price_usdt Volume_usdt 2019-12-30-22H 7265.24 7281.33 7256.58 7269.04 5643397.6053299 2019-12-30-23H 7269.04 7288.88 7266.02 7276.47 3496291.56664438 2019-12-31-00H 7277.57 7285.49 7239.0 7246.0 5480337.35603218 2019-12-31-01H 7246.0 7255.0 7200.0 7251.0 12944037.55061038 2019-12-31-02H 7251.0 7269.0 7245.0 7265.4 6574092.80269061 2019-12-31-03H 7264.96 7266.74 7225.34 7246.99 5331202.45221019 2019-12-31-04H 7247.01 7250.0 7221.0 7236.39 4508747.90607631 2019-12-31-05H 7236.6 7263.15 7228.4 7240.37 5609366.20613776 2019-12-31-06H 7240.21 7268.48 7240.09 7264.06 4719385.57010436 2019-12-31-07H 7264.05 7267.0 7243.94 7244.98 4840785.79801116 2019-12-31-08H 7244.72 7255.02 7236.01 7250.37 4149434.68258942

我想創建一個名為“R”的新列，以便僅在 14 個周期上計算 (volume * price).cumsum() & volume.cumsum()。 Smippery 14 期。 換句話說，僅在 14 個周期上獲得累積總和。

 volume = df['Volume_usdt'] price = df['Closing_price_usdt'] df['R'] = ((volume * price).cumsum() / volume.cumsum()).ffill()

謝謝

Answer 1

 Open time Open High Low Closing_price_usdt Volume_usdt R 2019-12-30-22H 7265.24 7281.33 7256.58 7269.04 5643397.6053299 119994.4289267424 2019-12-30-23H 7269.04 7288.88 7266.02 7276.47 3496291.56664438 119993.58885296652 2019-12-31-00H 7277.57 7285.49 7239.0 7246.0 5480337.35603218 119992.77877982403 2019-12-31-01H 7246.0 7255.0 7200.0 7251.0 12944037.55061038 119991.99352517813 2019-12-31-02H 7251.0 7269.0 7245.0 7265.4 6574092.80269061 119991.22161482804 2019-12-31-03H 7264.96 7266.74 7225.34 7246.99 5331202.45221019 119990.46819418059 2019-12-31-04H 7247.01 7250.0 7221.0 7236.39 4508747.90607631 119989.777319988 2019-12-31-05H 7236.6 7263.15 7228.4 7240.37 5609366.20613776 119989.10188507008 2019-12-31-06H 7240.21 7268.48 7240.09 7264.06 4719385.57010436 119988.51559211954 2019-12-31-07H 7264.05 7267.0 7243.94 7244.98 4840785.79801116 119988.00414524872 2019-12-31-08H 7244.72 7255.02 7236.01 7250.37 4149434.68258942 119987.51608594923 2019-12-31-09H 7250.3 7250.54 7223.36 7229.18 6587934.91085111 119987.02424826368 2019-12-31-10H 7229.84 7244.0 7219.07 7229.2 12442827.1189019 119986.48999096375 2019-12-31-11H 7229.2 7255.15 7217.5 7245.01 8102199.20236629 119985.95738604155 2019-12-31-12H 7244.08 7256.94 7236.02 7243.39 5415351.79554907 119985.4254179181 2019-12-31-13H 7243.64 7248.0 7222.14 7247.99 6286547.0197346 119984.87618273347 2019-12-31-14H 7247.99 7252.0 7235.63 7239.43 7230857.23602761 119984.31644376695 2019-12-31-15H 7239.14 7320.0 7230.63 7237.68 22666262.73763661 119983.69886205425 2019-12-31-16H 7237.44 7261.02 7188.88 7195.96 21634828.47295358 119982.98965081113 2019-12-31-17H 7195.0 7225.62 7186.77 7211.49 7153008.84544945 119982.26831325727 2019-12-31-18H 7212.45 7213.56 7151.0 7168.12 11591594.57384476 119981.5021412825 2019-12-31-19H 7167.72 7174.04 7145.01 7168.86 9220725.5526175 119980.71148398018 2019-12-31-20H 7169.32 7185.0 7156.85 7173.32 5476270.84769673 119979.91252483618 2019-12-31-21H 7173.75 7187.89 7165.1 7176.41 3646460.18756114 119979.1179446736 2019-12-31-22H 7176.51 7188.93 7171.01 7186.19 2946479.05108401 119978.3280287224 2019-12-31-23H 7185.92 7208.41 7181.78 7200.48 4684235.22473528 119977.54853467083 2020-01-01-00H 7200.52 7206.29 7185.76 7195.23 3755763.59960018 119976.82049999568 2020-01-01-01H 7195.24 7196.25 7175.46 7177.02 3675856.57948543 119976.11691738569 2020-01-01-02H 7176.47 7230.0 7175.71 7216.27 6365952.54111276 119975.40658628644 2020-01-01-03H 7215.52 7244.87 7211.41 7242.85 4736719.38819138 119974.70558206929 2020-01-01-04H 7242.66 7245.0 7220.0 7225.01 5667367.29300603 119974.01365676238 2020-01-01-05H 7225.0 7230.0 7215.03 7217.27 3379093.84979077 119973.43902784 2020-01-01-06H 7217.26 7229.76 7216.65 7224.21 2489507.24663728 119972.98221449331 2020-01-01-07H 7224.24 7236.27 7221.51 7225.62 4493048.24570801 119972.54199323399 2020-01-01-08H 7225.88 7232.94 7199.11 7209.83 4528532.93295699 119972.14576063966 2020-01-01-09H 7209.83 7210.0 7180.0 7200.64 6584766.36902302 119971.76622711321 2020-01-01-10H 7200.29 7210.51 7188.0 7188.77 4580279.61372286 119971.39245794505 2020-01-01-11H 7189.07 7210.0 7185.2 7202.0 3872434.23941144 119971.01783386005