cols2drop = 'activityType description ownerId avgStrideLength floorsClimbed floorsDescended flow grit avgFlow avgGrit aerobicTrainingEffectMessage anaerobicTrainingEffectMessage startTimeGMT eventType comments gameType pr favorite decoDive atpActivity manualActivity calendarEventUuid calendarEventId avgGradeAdjustedSpeed avgWheelchairCadence splitSummaries hasSplits maxBottomTime hasSeedFirstbeatProfile startStress endStress differenceStress maxStress  minActivityLapDuration avgStress trainingEffectLabel maxWheelchairCadence gameName differenceBodyBattery avgRespirationRate elevationLoss ownerDisplayName ownerFullName ownerProfileImageUrlSmall ownerProfileImageUrlMedium ownerProfileImageUrlLarge averageRunningCadenceInStepsPerMinute maxRunningCadenceInStepsPerMinute averageBikingCadenceInRevPerMinute maxBikingCadenceInRevPerMinute averageSwimCadenceInStrokesPerMinute maxSwimCadenceInStrokesPerMinute averageSwolf activeLengths conversationUuid conversationPk numberOfActivityLikes numberOfActivityComments likedByUser commentedByUser activityLikeDisplayNames activityLikeFullNames activityLikeProfileImageUrls requestorRelationship userRoles privacy userPro  courseId poolLength unitOfPoolLength  hasVideo videoUrl  timeZoneId  beginTimestamp sportTypeId avgPower maxPower strokes normPower leftBalance rightBalance  avgLeftBalance max20MinPower avgVerticalOscillation avgGroundContactTime avgFractionalCadence maxFractionalCadence trainingStressScore intensityFactor  vO2MaxValue avgVerticalRatio  avgGroundContactBalance lactateThresholdBpm lactateThresholdSpeed  maxFtp  avgStrokeDistance avgStrokeCadence maxStrokeCadence workoutId avgStrokes  minStrokes    deviceId avgDoubleCadence  maxDoubleCadence summarizedExerciseSets maxDepth avgDepth surfaceInterval startN2 endN2 startCns endCns summarizedDiveInfo activityLikeAuthors manufacturer diveNumber     locationName bottomTime  lapCount  minAirSpeed maxAirSpeed avgAirSpeed avgWindYawAngle minCda maxCda avgCda avgWattsPerCda caloriesEstimated caloriesConsumed  waterEstimated  maxAvgPower_1 maxAvgPower_2  maxAvgPower_5 maxAvgPower_10 maxAvgPower_20 maxAvgPower_30 maxAvgPower_60 maxAvgPower_120 maxAvgPower_300 maxAvgPower_600 maxAvgPower_1200  excludeFromPowerCurveReports totalSets activeSets totalReps  minRespirationRate maxRespirationRate elevationCorrected purposeful autoCalcCalories jumpCount waterConsumed maxAvgPower_1800 maxAvgPower_3600 maxAvgPower_7200 maxAvgPower_18000 parentId parent elapsedDuration startLatitude startLongitude hasPolyline steps minTemperature maxTemperature minElevation maxVerticalSpeed avgVerticalSpeed endLatitude endLongitude bmrCalories ' # activityType
